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Loan Commitments and Other Related Activities (Tables)
12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Summary of Financial Instruments With Off-Balance Sheet Risk
The contractual amounts of financial instruments with off-balance sheet risk at December 31, 2021 and December 31, 2020 were as follows:
December 31, 2021December 31, 2020
Unfunded loan commitments
$18,567 $34,867 
Unused lines of credit
52,076 34,063 
Standby letters of credit
68 68