Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Loans and Allowance for Credit Losses - Collateral dependent loans and related ACL (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020
Related allowance for credit losses	$ 33,641	$ 32,529	$ 33,222	$ 35,227	$ 35,471	$ 25,139
Collateral-dependent Loans \| 1- to 4-family residential loans
Amortized cost	872		895
Related allowance for credit losses	201		223
Residential Real Estate
Related allowance for credit losses	11,186	$ 10,757	11,192	$ 9,755	$ 10,398	$ 4,875
Residential Real Estate \| Collateral-dependent Loans
Amortized cost	872		895
Related allowance for credit losses	$ 201		$ 223