| Repayments Of Bank Debt | $2.5B | $2B | — | $1.4B | $2.4B | $4.1B | — | $2.5B |
| Proceeds From Bank Debt | $2.7B | $2.1B | — | $2.6B | $2.3B | $3.5B | — | $2.4B |
| Proceeds from Payoffs and Paydowns of Loans and Investments | $675.5M | $528.1M | — | $418.6M | $543.4M | $740.3M | — | $894M |
| Loans and investments funded, originated and purchased | $302M | $297M | — | $733.1M | $751.3M | $945M | — | $826.1M |
| Proceeds from issuance of securitized debt | — | $0 | — | $0 | $491.4M | $994.9M | — | $754.5M |
| Payments For Origination Of Mortgage Loans Held For Sale | $1.2B | $1.1B | $1.4B | $608.8M | $858.5M | $2B | $1.6B | $707.6M |
| Sale of loans held-for-sale excluding acquired loans | $1.1B | $1.1B | — | $730.9M | $807M | $2B | — | $671M |
| Proceeds From Sale Of Loans Held For Sale | $1.1B | $1.1B | $1.3B | $730.9M | $807M | $2B | $1.5B | $671M |
| UPB of loan modifications made during the current year | — | — | — | — | $249.9M | $804.6M | — | $479.3M |
| Credit deteriorated assets, par value | — | $36.7M | — | $697.2M | — | $30.9M | — | $337.4M |
| Total UPB of modified loans that had been previously modified | — | $327.2M | — | $370.9M | $136.1M | $473.2M | — | $308.1M |
| Repayment Of Secured Loan Obligations | $978.7M | $404.2M | — | $1.3B | $259.7M | $332.4M | — | $287.1M |
| Net Change in Cash and Restricted Cash | -$499M | -$88.3M | — | -$310.8M | -$2.7M | — | — | $250.4M |
| Interest reserve | — | $15M | $15M | $236.4M | $20.3M | $0 | $5.2M | $244M |
| Interest Income Operating | $297.2M | $286.5M | $262.9M | $240.7M | $240.3M | $223M | $236M | $235M |
| Cash Provided by (Used in) Financing Activity, Including Discontinued Operation | -$955.3M | -$401.4M | -$459.6M | -$146.5M | $144.5M | $226.5M | $574.3M | $200.4M |
| Weighted average shares outstanding (in shares) | 188.7M | 188.5M | — | 190.1M | 192.2M | 193.7M | — | 194.2M |
| Weighted average shares outstanding (in shares) | 188.7M | 188.5M | — | 190.1M | 192.2M | 193.7M | — | 194.2M |
| Interest Paid, Net | $203.8M | $198.3M | $170.2M | $164.4M | $161.5M | $174.4M | $165.4M | $165.6M |
| Interest Paid, Excluding Capitalized Interest, Operating Activity | $203.8M | $198.3M | $170.2M | $164.4M | $161.5M | $174.4M | $165.4M | $165.6M |
| Payments of Ordinary Dividends, Common Stock | $98.6M | $98.6M | $99M | $99.4M | $73.1M | $73.4M | $74.1M | $73.3M |
| Cash Dividends, Common Stock | $98.6M | $98.6M | $99M | $99.4M | $73.1M | $73.4M | $74.1M | $73.3M |
| Interest Income (Expense), Operating | $88M | $88.8M | $82.9M | $75.4M | $68.7M | $38.3M | $55.7M | $59.8M |
| Cash Provided by (Used in) Investing Activity, Including Discontinued Operation | $386.4M | $228.1M | $205.6M | -$314.8M | -$207.3M | -$205.5M | -$553.4M | $58.3M |
| Dividends, Common Stock | $81.3M | $81.2M | — | $82.1M | $57.9M | $58.2M | — | $58.1M |
| Loans modified, not pursuant to contract, amount | — | — | — | $385M | — | $253.5M | — | $47.7M |
| Financing Receivable, Nonaccrual, Loans Modified Or Paid Off During Period, Amount | $138.5M | $95.5M | — | $38.5M | $47.7M | $0 | — | $47.1M |
| Employee compensation and benefits | $37.3M | $38.5M | — | $41.4M | $36.9M | $37.3M | — | $43.8M |
| Increase (Decrease) in Other Operating Assets and Liabilities, Net | $14M | $37.4M | — | $54.1M | — | -$41.1M | — | $37.8M |
| Servicing fees | $31.1M | $31.2M | — | $32.5M | $32.9M | $33.2M | — | $33.9M |
| Acquisition PCD reserves | — | $5.3M | — | $153.1M | — | — | — | $31.6M |
| Initial allowance for credit losses on newly purchased credit-deteriorated assets during the period | — | $5.4M | — | $153.1M | — | — | — | $31.6M |
| Payments for Repurchase of Common Stock | $11.4M | — | — | $0 | $0 | $0 | $2M | $30.7M |
| Purchase price | $11.4M | — | — | — | — | — | — | $30.7M |
| Stock Repurchased During Period, Value | $11.4M | — | — | — | — | — | — | $30.7M |
| Value of shares repurchased | $11.4M | — | — | — | — | — | — | $30.7M |
| Servicing revenue, net | $29.9M | $31.1M | $33.3M | $25.6M | $27.4M | $29.7M | $26.9M | $25.7M |
| Gross charge-offs | — | $8M | $2.2M | $4M | $15.1M | $16.6M | $92.6M | $18.2M |
| Proceeds from notes payable - REO | $0 | $0 | — | $98.1M | $79.4M | $24.3M | — | $17.4M |
| Cash disbursed for acquisitions | $0 | $2.5M | $945K | $7.7M | $6.3M | $12.8M | $13.9M | $16.2M |
| Dilutive effect of OP Units (in shares) | 16.3M | 16.3M | — | 16.2M | 16.2M | 16.2M | — | 16.2M |
| Unrealized impairment losses | — | — | — | $14.1M | — | — | — | $14M |
| Net gains/(losses) on sales of loans | $17.4M | $18.6M | $22.2M | $12.8M | $13.7M | $23.3M | $20.9M | $12.5M |
| Impairment loss on real estate owned | $0 | $0 | $0 | $0 | — | — | — | $12.5M |
| Expenses from real estate owned operations | $1.6M | $1.7M | $2.4M | $3.5M | $6.8M | $7.3M | $10.4M | $12M |
| Term loan by year, year 5 | — | $0 | $0 | $0 | $10.5M | $1.6M | $19.9M | $11.3M |
| Income (Loss) From Continuing Operations before Equity Method Investments, Extinguishment of Debt, Sale of Real Estate, Income Taxes, Noncontrolling Interest | $59.5M | $75.6M | — | $53.7M | $38.5M | $14M | — | $10.8M |
| Debt securities, held to maturity, nonaccrual, specific allowances | — | — | — | — | — | — | — | $10.5M |
| Dividends on preferred shares | $10.3M | $10.3M | — | $10.3M | $10.3M | $10.3M | — | $10.3M |
| Interest earned on escrows | $17.9M | $18.4M | — | $12.9M | $13.5M | $14.9M | — | $10.2M |
| Mortgage servicing rights | $14.5M | $13.2M | $13.3M | $8.1M | $10.9M | $15.5M | $19.9M | $9.7M |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | $14M | $13.5M | — | $7.8M | $10.9M | $15.3M | — | $9.5M |
| Realized gains recorded in earnings | $12.9M | $12.4M | — | $7.8M | $10.5M | $15M | — | $9M |
| Payments of Financing Costs | $2.4M | $3.3M | — | $7M | $11.6M | $24.8M | — | $8.4M |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $69.9M | $85M | $46.7M | $150.5M | $60M | $178.7M | $0 | -$8.3M |
| Lease income — operating leases | $1.4M | $1.5M | $2.7M | $4.4M | $5.5M | $4.2M | $7.3M | $8.1M |
| Deferred fees | $7.1M | $5.6M | — | $8.3M | $7.7M | $6.6M | — | $7M |
| Derivative, Fair Value Adjustment | — | — | — | $4.4M | $825K | $82K | — | $6.9M |
| Recognized interest income | $7.9M | $5M | — | $4.5M | $4.1M | $2.7M | — | $6.7M |
| Depreciation expense related to real estate owned | $600K | $800K | — | $2.7M | $4.8M | $4.3M | — | $6.1M |
| Outstanding principal balance repaid | $6.7M | $6.7M | $6.7M | $26.6M | — | — | — | $6M |
| Distributions from operations of equity affiliates | $12M | $5M | — | $640K | $3.5M | $48.1M | — | $6M |
| Stock-based compensation | $2.8M | $3M | $2.5M | $5.9M | $2.6M | $2.7M | $2.5M | $5.9M |
| Net charge-offs (recoveries) | $29.6M | $16.2M | $3.6M | $9.1M | $19M | $19.7M | — | $5.8M |
| Mortgage Servicing Rights MSR Impairment Recovery | — | — | — | -$3.9M | — | -$45K | — | -$5.6M |
| Deferred interest for loans previously modified | $800K | $4.1M | — | $9.1M | $8.3M | $7.7M | — | $5.4M |
| Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | $528K | $1.8M | — | $5.9M | — | $2.8M | — | $4.9M |
| Minority Interest Decrease From Distributions To Noncontrolling Interest Holders | $7M | $7M | — | $7M | $4.9M | $4.9M | — | $4.9M |
| Loss Contingency Accrual, Charge Offs, Net | — | -$836K | — | -$579K | -$26K | $2.2M | — | -$4.7M |
| Shares repurchased (in shares) | 935.7K | — | — | — | — | — | — | 4.1M |
| Gross credit losses | — | — | — | — | — | — | — | $4.1M |
| Sales Commissions And Fees | $5.6M | $6.4M | — | $4.6M | $4.3M | $6.8M | — | $3.9M |
| Term loan by year, year 3 | — | $2.8M | $1.3M | $0 | $0 | $0 | $0 | $3.8M |
| Total provisions for credit losses | $27.5M | $12.6M | — | $6M | $17.5M | $19.6M | — | $3.5M |
| Amortization and accretion of interest and fees, net | -$1.9M | -$258K | — | $3M | $3.6M | $3.2M | — | $3.1M |
| Prior | — | $0 | $0 | $0 | $0 | $0 | $68.9M | $3.1M |
| Occupancy and Related Charges | $2.8M | $2.7M | — | $2.8M | $2.7M | $2.7M | — | $2.9M |
| Deferred taxes | -$2.9M | -$2M | -$2.7M | -$137K | -$1.6M | -$1.8M | $7.3M | -$2.6M |
| Gain (loss) on real estate dispositions, net | $3.8M | $0 | $0 | -$2.8M | -$1.4M | -$555K | -$4.3M | -$2.1M |
| Other income, net | $2.1M | $2.5M | $1.1M | $4.4M | $4M | $3.7M | $2.7M | $2.1M |
| Add - Incremental shares under stock-based compensation plans (in shares) | $538.3K | $539.9K | — | $552.3K | $593K | $595.5K | — | $1.4M |
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date | -$400K | $1.2M | — | $4.7M | $1.4M | -$2.1M | — | -$1.3M |
| Unrealized Impairment Loss | — | — | — | -$581K | -$826K | -$37K | — | -$1.2M |
| Financing Receivable, Nonaccrual, Loans Progressed To Greater Than Sixty Days Past Due During Period | $264M | $110.4M | — | $82.3M | $0 | $56.9M | — | $1.2M |
| Write-offs and payoffs of MSRs | -$2.6M | -$1.5M | — | -$3.1M | -$2.1M | -$1.1M | — | -$1M |
| Write-off of capitalized mortgage servicing rights from payoffs | $2.6M | $1.5M | — | $3.1M | $2.1M | $1.1M | — | $1M |
| Tax Withholding for Share-Based Payments | $2.2M | $1.2M | $298K | $84K | $3M | $0 | $296K | $1M |
| Payment, Tax Withholding, Share-Based Payment Arrangement | $2.2M | $1.2M | $298K | $84K | $3M | $0 | $296K | $1M |
| Financing receivable, specific reserve | $10.8M | $8.1M | — | $5.2M | $2.2M | $3.6M | — | $1M |
| Prepayment fees | $383K | $413K | — | $1M | $863K | $505K | — | $913K |
| Net income attributable to common stockholders and noncontrolling interest | $51.5M | $63.2M | — | $33M | $26M | $41.7M | — | $681K |
| Unrealized gains recorded in earnings | $1.1M | $376K | — | $309K | $382K | $578K | — | $633K |
| Reclassifications Net of Tax | $47.4M | $58.2M | $59.8M | $30.4M | $24M | $38.5M | $14.6M | $629K |
| Derivative, Gain (Loss) on Derivative, Net | -$275K | $822K | -$3.8M | $3.4M | $219K | -$2.2M | — | -$493K |
| Subsidiary and Affiliate Acquisition Payments | $3M | $5.2M | — | $4M | $2.5M | $3.4M | — | $331K |
| Payments To Acquire Interest In Subsidiaries And Affiliates | $3M | $5.2M | $1.7M | $4M | $2.5M | $3.4M | $1.8M | $331K |
| Deferred interest | $7.3M | $10.3M | — | $3.8M | $1.9M | $1.4M | — | $200K |
| Change in Fair Value of Held for Sale Loans | -$50K | $1.1M | — | $2M | $826K | $36K | — | -$189K |
| Income Taxes Paid, Net | $15.6M | $7.6M | $5.1M | $864K | $10.3M | $6.6M | — | $132K |
| Income Taxes Paid, Net | $15.6M | $7.6M | $5.1M | $864K | $10.3M | $6.6M | — | $132K |
| Net Income Loss Attributable To Noncontrolling Interest | $4.1M | $5M | — | $2.6M | $2M | $3.2M | — | $52K |
| Payoffs and paydowns of loans held-for-sale | $1.3M | $3.8M | — | $487K | $6M | $22K | — | $36K |
| Number of loans | — | 6.00 | — | 719.00 | — | — | — | 545.00 |
| Accelerated Share Repurchases Final Price Paid Per Share | $12.19 | — | — | — | — | — | — | $7.46 |
| Number of impaired properties | — | — | — | — | — | — | — | 6.00 |
| Number of Operating Segments | — | — | — | 2.00 | — | — | — | 2.00 |
| Number of operating segments | — | — | — | $2 | — | — | — | $2 |
| Wtd. Avg. Last Dollar LTV Ratio | — | — | 99.0% | 99.0% | — | — | 96.0% | 96.0% |
| Common Stock Dividends Per Share Declared | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Common Stock Dividends Per Share | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Dividends per share declared | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Dividends per share declared | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Common Stock Dividends Per Share Declared | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Dividends declared (in dollars per share) | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Common Stock Dividends Per Share Declared | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Common Stock Dividends Per Share Declared | $0.4 | $0.4 | — | $0.4 | $0.3 | $0.3 | — | $0.3 |
| Wtd. Avg. Pay Rate (as a percent) | — | — | 6.9% | 6.9% | — | — | 6.5% | 6.5% |
| Weighted average pay rate before modification | — | 8.0% | — | 6.8% | 6.5% | 5.9% | — | 5.3% |
| Weighted average pay rate after modification | — | 6.4% | — | 4.5% | 5.2% | 4.2% | — | 4.3% |
| Concentration risk, threshold for disclosure | — | — | 4.0% | 4.0% | — | — | 4.0% | 4.0% |
| Percent of total loans | — | — | — | 8.0% | 2.2% | 7.0% | — | 4.0% |
| Deferred rate after modification | — | 2.0% | — | 3.4% | 2.3% | 3.2% | — | 2.6% |
| Deferred rate before modification | — | 0.4% | — | 1.1% | 1.7% | 1.6% | — | 2.3% |
| Loss-sharing obligations (as a percent) | — | — | 0.2% | 0.2% | — | — | 0.3% | 0.3% |
| Number of reportable segments | — | 2.00 | — | 2.00 | — | — | — | — |
| Due to (Due from) Borrowers and Reserves | $16.4M | $1M | — | -$2M | $5.3M | $7.4M | — | $0 |
| Accrued interest receivables written off | — | $1.1M | — | $3.3M | $4.3M | $17.6M | — | — |
| Recoveries | — | — | — | $406K | — | — | — | — |
| Amortized Cost | $733.3M | $1.2B | — | $949.8M | $251.9M | $808.6M | — | — |
| Term loan by year, year 4 | — | $3.5M | $2.2M | $1M | $4.7M | $15M | $3.8M | $0 |
| Term loan by year, year 1 | — | $1.7M | — | $0 | $0 | $0 | $0 | $0 |
| Term loan by year, year 2 | — | $0 | $0 | $3M | — | — | — | $0 |
| Loan modification, refinancing, and extensions | 0.00 | 0.00 | — | 0.00 | 0.00 | 0.00 | — | 0.00 |
| UPB of loan modifications made in prior year | $732.3M | $1.2B | — | $949.8M | — | — | — | — |
| Additional loans classified as non-accrual | — | $157.2M | — | $96.2M | — | $183.1M | — | — |
| Wtd. Avg. First Dollar LTV Ratio | — | — | 0.0% | 0.0% | — | — | 0.0% | 0.0% |
| Income (Loss) From Continuing Operations before Equity Method Investments, Extinguishment of Debt, Gain On Real Estate, Income Taxes, Noncontrolling Interest | $72.1M | $72.1M | $72.1M | $34.4M | $34.4M | $34.4M | $34.4M | — |
| Number of reportable segments | — | $2 | — | $2 | — | — | — | — |
| Payments for Redemption of Operating Partnership Units | $0 | $0 | — | $1.6M | — | — | — | $0 |
| Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates | $11.2M | — | — | $965K | $6.9M | $16.1M | $0 | $0 |
| Proceeds from Issuance of Common Stock | $0 | $0 | $10M | $29.2M | $1.6M | $39.7M | $0 | $0 |
| Payoffs and paydowns of securities held-to-maturity | $119K | $139K | — | $50K | $71K | $101K | — | $0 |
| Repayments Of Mortgage Notes Payable, Real Estate Owned | $9M | $53K | — | $49.1M | $18.7M | $35.4M | — | $0 |
| Issuance of common stock in connection with the Spin-Off and reclassification of net parent investment | — | — | — | $29.2M | $1.6M | $39.7M | — | — |
