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Fair Value Measurements - Valuation and Inputs, at FV (Details) $ in Thousands | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | $ 309,029 | $ 312,427 | $ 362,430 | $ 138,776 | $ 167,905 | $ 207,060
Recurring |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Asset, fair value | 754,032 |  | 802,498 |  |  |
Liabilities, fair value | (93,851) |  | (16,810) |  |  |
Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Asset, fair value | 401,577 |  | 378,830 |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | 212,500 |  | 247,500 |  |  |
Liabilities, fair value | (92,548) |  | (16,400) |  |  |
Loans Receivable | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | 9,956 | 10,722 | 10,766 | 13,681 | 13,618 | 13,795
Loans, held for sale, at fair value | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | 200,863 | 203,958 | 231,865 |  |  |
Mortgage backed securities | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | $ 1,666 | 7,014 | $ 1,581 | 1,714 | 5,633 | 25,131
Mortgage backed securities | Recurring | Level 3 inputs | Measurement Input, Servicing Fee Multiple |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Servicing Asset, Valuation Technique [Extensible List] | Income Approach |  | Income Approach |  |  |
Mortgage servicing rights | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | $ 168,653 | 159,834 | $ 120,142 | $ 100,820 | $ 98,542 | $ 76,840
Mortgage servicing rights | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Asset, fair value | 168,653 |  | 120,142 |  |  |
Investment in unconsolidated joint ventures | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | 8,439 | 8,610 | 8,894 |  |  |
Investment in unconsolidated joint ventures | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Asset, fair value | $ 8,439 |  | $ 8,894 |  |  |
Investment in unconsolidated joint ventures | Recurring | Level 3 inputs | Income Approach | Measurement Input, Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Equity Securities, FV-NI, Measurement Input | 0.090 |  | 0.090 |  |  |
Investment in unconsolidated joint ventures | Recurring | Level 3 inputs | Income Approach | Measurement Input, Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Equity Securities, FV-NI, Measurement Input | 0.090 |  | 0.090 |  |  |
Investments held to maturity | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Assets valued using quoted or transaction prices in which quantitative unobservable inputs are not developed | $ 9,601 | $ 17,053 |  |  |  |
Investments held to maturity | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Asset, fair value | $ 9,601 |  |  |  |  |
Investments held to maturity | Recurring | Level 3 inputs | Income Approach | Measurement Input, Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Investments, Held To Maturity, Measurement Input | 0.120 |  |  |  |  |
Investments held to maturity | Recurring | Level 3 inputs | Income Approach | Measurement Input, Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Investments, Held To Maturity, Measurement Input | 0.120 |  |  |  |  |
Derivative instruments | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Asset, fair value | $ 2,399 |  | $ 2,339 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Origination Pull-through Rate | Minimum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.483 |  | 0.630 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Origination Pull-through Rate | Maximum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 1 |  | 1 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Origination Pull-through Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.851 |  | 0.867 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Servicing Fee Multiple | Minimum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.011 |  | 0.004 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Servicing Fee Multiple | Maximum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.065 |  | 0.052 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Servicing Fee Multiple | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.047 |  | 0.041 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Percentage of Unpaid Principal Balance | Minimum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.003 |  | 0.001 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Percentage of Unpaid Principal Balance | Maximum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.032 |  | 0.031 |  |  |
Derivative instruments | Recurring | Level 3 inputs | Market Approach | Measurement Input, Percentage of Unpaid Principal Balance | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Derivative Asset, Measurement Input | 0.016 |  | 0.013 |  |  |
Contingent Consideration | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Liabilities, fair value |  |  | $ (16,400) |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, EBT Volatility |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.250 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, EBT Volatility | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.250 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Risk Free Interest Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.004 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Risk Free Interest Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.004 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.176 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.176 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Liability Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.038 |  |  |
Contingent Consideration | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Liability Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input |  |  | 0.038 |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Liabilities, fair value | $ (8,200) |  |  |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, EBT Volatility |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.250 |  |  |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, EBT Volatility | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.250 |  |  |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.040 |  |  |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.040 |  |  |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Liability Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.065 |  |  |  |  |
Contingent Consideration | Red Stone | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Liability Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.065 |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Liabilities, fair value | $ (18,475) |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Equity Volatility |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.450 |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Equity Volatility | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.450 |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Risk Free Interest Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0214 |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Risk Free Interest Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0214 |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0998 |  |  |  |  |
CER dividends | Mosaic | Recurring | Level 3 inputs | Monte Carlo Simulation Model | Measurement Input, Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0998 |  |  |  |  |
CER units | Mosaic | Recurring | Level 3 inputs |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Liabilities, fair value | $ (65,873) |  |  |  |  |
CER units | Mosaic | Recurring | Level 3 inputs | Income Approach and PWERM | Measurement Input, Revaluation Discount Rate | Minimum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0850 |  |  |  |  |
CER units | Mosaic | Recurring | Level 3 inputs | Income Approach and PWERM | Measurement Input, Revaluation Discount Rate | Maximum |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.1200 |  |  |  |  |
CER units | Mosaic | Recurring | Level 3 inputs | Income Approach and PWERM | Measurement Input, Revaluation Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.096 |  |  |  |  |
CER units | Mosaic | Recurring | Level 3 inputs | Income Approach and PWERM | Measurement Input, Discount Rate |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0998 |  |  |  |  |
CER units | Mosaic | Recurring | Level 3 inputs | Income Approach and PWERM | Measurement Input, Discount Rate | Weighted Average |  |  |  |  |  |
Fair value inputs, quantitative information |  |  |  |  |  |
Contingent Consideration Liability, Measurement Input | 0.0998 |  |  |  |  |

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