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v3.23.1

Servicing Rights - Key Assumptions and the Sensitivity of the Fair Value (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
Servicing Assets at Fair Value [Line Items] |  |  |  |
Aggregate portfolio principal balance | $ 911,065 | $ 898,840 |  |
Base |  |  |  |
Percentage of MSR (percent) | 2.01% | 2.07% |  |
Mortgage servicing rights |  |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |  |
Aggregate portfolio principal balance | $ 911,065 | $ 898,840 |  |
Weighted average rate of note (percent) | 3.54% | 3.47% |  |
Base |  |  |  |
Constant prepayment rate (percent) | 5.67% | 6.64% |  |
Discount rate (percent) | 10.97% | 11.25% |  |
Fair value MSR | $ 18,303 | $ 18,635 | $ 15,422 | $ 13,724
Percentage of MSR (percent) | 2.01% | 2.07% |  |
1.0% Adverse Rate Change |  |  |  |
Constant prepayment rate (percent) | 5.71% | 13.28% |  |
Discount rate (percent) | 9.97% | 10.25% |  |
Fair value MSR | $ 17,778 | $ 14,763 |  |
Percentage of MSR (percent) | 1.95% | 1.64% |  |
2.0% Adverse Rate Change |  |  |  |
Constant prepayment rate (percent) | 7.15% | 19.92% |  |
Discount rate (percent) | 8.97% | 9.25% |  |
Fair value MSR | $ 16,869 | $ 11,796 |  |
Percentage of MSR (percent) | 1.85% | 1.31% |  |

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