Leases - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022 USD ($) branch renewal_term location lease	Mar. 31, 2021 USD ($)	Dec. 31, 2021 branch	Jun. 30, 2021 branch
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	1
Number of option to renew | renewal_term	1
Number of store branches sold | branch	2
Number of branch locations | branch	10		9	4
Number of deposit gathering locations consolidated | location	1
Accelerated lease expense	$ 62	$ 980
Other operating expense	3,563	3,353
Branch Consolidation Expenses
Lessee, Lease, Description [Line Items]
Other operating expense	$ 340	$ 31