Fair Value Measurements - Summary of Reconciliation of Level 3 Assets and Liabilities Measured at Fair Value on Recurring and Non-recurring Basis (Details) - Level 3 - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Contingent Liabilities | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Beginning balance | $ 22,952 | $ 9,548 | $ 8,073 | $ 5,106 |
| Payments | (8,742) | (2,620) | (13,888) | (2,967) |
| Additions | 1,735 | |||
| Valuation adjustments | 7,880 | 4,223 | 27,905 | 7,277 |
| Ending balance | 22,090 | 11,151 | 22,090 | 11,151 |
| Real Estate Owned | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Beginning balance | 552 | 833 | 852 | 3,314 |
| Additions | 157 | 284 | 954 | 2,926 |
| Proceeds | (1) | (761) | (1,096) | (4,435) |
| Valuation adjustments | 49 | 477 | 47 | (972) |
| Ending balance | 757 | 833 | 757 | 833 |
| IRLCs | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Beginning balance | 141,629 | 24,756 | 19,922 | 12,541 |
| Net transfers and revaluation gains | 44,387 | 9,226 | 166,094 | 21,441 |
| Ending balance | $ 186,016 | $ 33,982 | $ 186,016 | $ 33,982 |