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Other Real Estate Acquired in Settlement of Loans - Valuation Allowance (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Summary of activity in valuation allowance for other real estate owned in settlement of loans    
Balance, beginning of period $ 2,614 $ 2,956
Provision for other real estate owned 88 12
Charge-offs 0 0
Balance, end of period $ 2,702 $ 2,968