Fair Value Measurements - Qualitative Valuation (Details) $ in Thousands	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Measured on non-recurring basis
Fair Value
Impaired loans		$ 1,213
Mortgage servicing rights	$ 2,309	1,906
Significant Unobservable Inputs (Level 3)
Fair Value
Impaired loans	6,441,458	6,457,766
Significant Unobservable Inputs (Level 3) \| Measured on non-recurring basis
Fair Value
Impaired loans		1,213
Mortgage servicing rights	$ 2,309	$ 1,906
Significant Unobservable Inputs (Level 3) \| Discount rate \| Measured on non-recurring basis \| Estimated Cash Flow
Unobservable Inputs
Impaired loans		0
Significant Unobservable Inputs (Level 3) \| Discount rate \| Measured on non-recurring basis \| Weighted Average \| Estimated Cash Flow
Unobservable Inputs
Impaired loans		0
Significant Unobservable Inputs (Level 3) \| Discount rate \| Measured on non-recurring basis \| Weighted Average \| Discounted cash flow
Unobservable Inputs
Mortgage servicing rights	0.1325	0.1025
Significant Unobservable Inputs (Level 3) \| Prepayment speeds and discount rates \| Measured on non-recurring basis \| Minimum \| Discounted cash flow
Unobservable Inputs
Mortgage servicing rights	0.042	0.075
Significant Unobservable Inputs (Level 3) \| Prepayment speeds and discount rates \| Measured on non-recurring basis \| Maximum \| Discounted cash flow
Unobservable Inputs
Mortgage servicing rights	0.211	0.249
Significant Unobservable Inputs (Level 3) \| Prepayment speeds and discount rates \| Measured on non-recurring basis \| Weighted Average \| Discounted cash flow
Unobservable Inputs
Mortgage servicing rights	0.069	0.127

Fair Value Measurement Inputs And Valuation Techniques, Fair Value

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Fair Value Measurement Inputs And Valuation Techniques, Unobservable Inputs

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Impaired Financing Receivable, Measurement Input

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
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Value of input used to measure servicing asset.

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