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OREO - Changes in the Allowance for OREO Losses (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Change in the allowance for OREO losses      
Balance at the beginning of year $ 207,000 $ 88,000 $ 57,000
Provision for losses (153,000) 176,000 31,000
Charge-offs, net (54,000) (57,000)  
Balance at the end of year 0 207,000 88,000
OREO, expenses other than provision for losses $ 379,000 $ 213,000 $ 58,000