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Lease Commitments - Additional information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Property, Plant and Equipment [Line Items]          
Net occupancy expense $ 649 $ 606 $ 1,329 $ 1,277  
Loans and Leases Receivable, Net of Deferred Income $ 992,712   $ 992,712   $ 972,095
Short Term Equipment Under Lease [Member]          
Property, Plant and Equipment [Line Items]          
Description Of Accounting Treatment For Short Term Operating Lease     As of June 30, 2021 and December 31, 2020, the Company had no short-term leases.   As of June 30, 2021 and December 31, 2020, the Company had no short-term leases.