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Off-Balance Sheet Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2021
Off-Balance Sheet Financial Instruments [Abstract]  
Schedule of Fair Value, Off-balance Sheet Risks December 31, 2021 2020 (In Thousands)Commitments to grant loans$ 78,996 $ 78,310Unfunded commitments under lines of credit 156,899 137,965Standby letters of credit 8,462 5,636 $ 244,357 $ 221,911