Annual report pursuant to Section 13 and 15(d)

Fair Value - Summary Of The Estimated Change In The Fair Value Of MSRs From Adverse Changes In The Significant Assumptions (Detail)

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Fair Value - Summary Of The Estimated Change In The Fair Value Of MSRs From Adverse Changes In The Significant Assumptions (Detail) - Mortgage Servicing Rights [Member]
$ in Thousands
Dec. 31, 2021
USD ($)
Servicing Assets And Servicing Liabilities At Fair Value Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Impact on fair value of 10% adverse change, Weighted-Average Prepayment Speed $ (6,078)
Impact on fair value of 20% adverse change, Weighted-Average Prepayment Speed (11,843)
Impact on fair value of 10% adverse change, Discount Rate (15,708)
Impact on fair value of 20% adverse change, Discount Rate (30,230)
Impact on fair value of 10% adverse change, Weighted Average Delinquency Rate (345)
Impact on fair value of 20% adverse change, Weighted Average Delinquency Rate $ (691)