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Disclosures about Fair Value of Assets and Liabilities - Quantitative Information about Unobservable Inputs (Details) $ in Thousands | Mar. 31, 2024 USD ($) | Mar. 27, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | --- | ---
Quantitative information about unobservable inputs |  |  |
Servicing rights | $ 172,200 |  | $ 158,457
Derivative assets |  | $ 0 |
Level 3 | Servicing rights | Loans funded through PPP, CARES Act |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing rights | $ 4,988 |  | $ 5,280
Level 3 | Servicing rights | Loans funded through PPP, CARES Act | Discount Rate |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.16 |  | 0.16
Level 3 | Servicing rights | Loans funded through PPP, CARES Act | Discount Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.16 |  | 0.16
Level 3 | Servicing rights | Loans funded through PPP, CARES Act | Constant Prepayment Rate | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.03 |  | 0.03
Level 3 | Servicing rights | Loans funded through PPP, CARES Act | Constant Prepayment Rate | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.14 |  | 0.14
Level 3 | Servicing rights | Loans funded through PPP, CARES Act | Constant Prepayment Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.09 |  | 0.09
Level 3 | Servicing rights | Single Family |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing rights | $ 31,898 |  | $ 30,959
Level 3 | Servicing rights | Single Family | Discount Rate | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.10 |  | 0.10
Level 3 | Servicing rights | Single Family | Discount Rate | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.11 |  | 0.11
Level 3 | Servicing rights | Single Family | Discount Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.10 |  | 0.10
Level 3 | Servicing rights | Single Family | Constant Prepayment Rate | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.06 |  | 0.06
Level 3 | Servicing rights | Single Family | Constant Prepayment Rate | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.15 |  | 0.16
Level 3 | Servicing rights | Single Family | Constant Prepayment Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.07 |  | 0.07
Level 3 | Servicing rights | Multi-family |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing rights | $ 135,314 |  | $ 122,218
Level 3 | Servicing rights | Multi-family | Discount Rate | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.08 |  | 0.08
Level 3 | Servicing rights | Multi-family | Discount Rate | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.13 |  | 0.13
Level 3 | Servicing rights | Multi-family | Discount Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.09 |  | 0.09
Level 3 | Servicing rights | Multi-family | Constant Prepayment Rate | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0 |  | 0
Level 3 | Servicing rights | Multi-family | Constant Prepayment Rate | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.73 |  | 0.50
Level 3 | Servicing rights | Multi-family | Constant Prepayment Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Servicing asset, measurement input | 0.07 |  | 0.07
Level 3 | Collateral-dependent impaired loans |  |  |
Quantitative information about unobservable inputs |  |  |
Collateral-dependent loans | $ 420 |  | $ 47,026
Level 3 | Collateral-dependent impaired loans | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Marketability discount (as a percent) | 0.24 |  | 0
Level 3 | Collateral-dependent impaired loans | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Marketability discount (as a percent) | 0.27 |  | 1
Level 3 | Collateral-dependent impaired loans | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Marketability discount (as a percent) | 0.26 |  | 0.02
Level 3 | Available for sale securities | Measurement Input, Credit Spread |  |  |
Quantitative information about unobservable inputs |  |  |
Mortgage-backed - Non-agency residential- fair value option | $ 472,192 |  | $ 485,500
Mortgage-backed - Non-agency residential- fair value option (as a percent) | 0.02 |  | 0.02
Level 3 | Available for sale securities | Measurement Input, Credit Spread | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Mortgage-backed - Non-agency residential- fair value option (as a percent) | 0.02 |  | 0.02
Level 3 | Interest rate lock commitments |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets | $ 174 |  | $ 140
Derivative liabilities | $ 22 |  | $ 4
Level 3 | Interest rate lock commitments | Measurement Input, Maturity | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.50 |  | 0.45
Derivative liabilities (as a percent) | 0.50 |  | 0.45
Level 3 | Interest rate lock commitments | Measurement Input, Maturity | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.99 |  | 0.99
Derivative liabilities (as a percent) | 0.99 |  | 0.99
Level 3 | Interest rate lock commitments | Measurement Input, Maturity | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.82 |  | 0.78
Derivative liabilities (as a percent) | 0.82 |  | 0.78
Level 3 | Put Option | Measurement Input, Credit Spread |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets | $ 22,976 |  | $ 18,654
Derivative assets, (as a percent) | 0.02 |  | 0.02
Level 3 | Put Option | Measurement Input, Credit Spread | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.02 |  | 0.02
Level 3 | Interest Rate Floor | Discount Rate |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets | $ 8,910 |  | $ 6,576
Level 3 | Interest Rate Floor | Discount Rate | Minimum |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.06 |  | 0.06
Level 3 | Interest Rate Floor | Discount Rate | Maximum |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.08 |  | 0.07
Level 3 | Interest Rate Floor | Discount Rate | Weighted average |  |  |
Quantitative information about unobservable inputs |  |  |
Derivative assets, (as a percent) | 0.07 |  | 0.07

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- Definition Value of input used to measure servicing asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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