XML 105 R93.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Values of Assets and Liabilities - Summary of Significant Unobservable Inputs used in Level 3 Assets Measured at Fair Value on Recurring Basis (Detail)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Servicing Asset, Valuation Technique [Extensible List] us-gaap:ValuationTechniqueDiscountedCashFlowMember us-gaap:ValuationTechniqueDiscountedCashFlowMember  
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage servicing rights [Member]      
Mortgage Servicing Rights [1] $ 322 $ 273 $ 397
Fair Value, Inputs, Level 3 [Member] | Prepayment Rate [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage servicing rights [Member]      
Servicing Asset, Valuation Technique [Extensible List] us-gaap:ValuationTechniqueDiscountedCashFlowMember us-gaap:ValuationTechniqueDiscountedCashFlowMember  
Mortgage Servicing Rights $ 322 $ 273  
Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | Prepayment Rate [Member] | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 6.63 14.05  
Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 9.00 9.00  
Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input Delinquency Rate | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 2.82 3.91  
Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Default Rate | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 0.08 0.08  
Maximum | Fair Value, Inputs, Level 3 [Member] | Prepayment Rate [Member] | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 25.56 29.77  
Maximum | Fair Value, Inputs, Level 3 [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 9.00 9.00  
Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input Delinquency Rate | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 3.63 5.13  
Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Default Rate | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs 0.14 0.14  
Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Prepayment Rate [Member] | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs [2] 13.39 20.97  
Mortgage Servicing Rights Prepayment Rate Prepayment Rate  
Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input Delinquency Rate | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs [2] 2.96 4.12  
Mortgage Servicing Rights Delinquency Rate Delinquency Rate  
Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Default Rate | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs [2] 0.13 0.13  
Mortgage Servicing Rights Default Rate Default Rate  
Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Discount Rate [Member] | Fair Value, Measurements, Recurring [Member]      
Mortgage Servicing Rights, Measuring Inputs [2] 9.00 9.00  
Mortgage Servicing Rights Discount Rate Discount Rate  
[1] Realized and unrealized gains and losses related to mortgage servicing rights are reported as a component of loan servicing fee income (loss) in the Company’s consolidated statements of income.
[2] Unobservable inputs for mortgage servicing rights were weighted by loan amount.