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Federal Home Loan Bank Advances (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
FHLB Advances [Abstract]    
Average balance outstanding during the year $ 100,471 $ 114,020
Maximum amount outstanding at any month-end during the year 113,580 121,500
Balance outstanding at end of year $ 85,952 $ 110,500
Weighted average interest rate at end of year 1.85% 1.94%
Average cost of advances during the year 1.96% 1.91%
Weighted average contractual maturity 22 months 27 months
FHLB advances, collateral real estate loans $ 653,746 $ 363,344
FHLB advances, remaining amount available to borrow 14,400  
FHLB Maturity [Abstract]    
2022 18,140  
2023 30,140  
2024 5,140  
2025 32,532  
2026 0  
Total 85,952 110,500
First Mortgage Loans [Member] | Asset Pledged as Collateral without Right [Member] | FHLB Advances [Member]    
FHLB Advances [Abstract]    
FHLB advances, collateral real estate loans $ 165,000 $ 220,000