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FEDERAL HOME LOAN BANK ADVANCES AND SHORT-TERM BORROWINGS - Summary of Advances (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Fixed rate
Outstanding balance	$ 411,000	$ 461,000
Variable rate
Outstanding balance	$ 70,000	$ 85,000
Weighted average interest rate (percent)	0.20%	0.17%
Unamortized debt issuance costs	$ 4,900	$ 6,200
Federal Home Loan Bank Advances Maturing May 27, 2021
Fixed rate
Outstanding balance	$ 0	$ 5,000
Interest rate (percent)	0.00%
Minimum
Fixed rate
Interest rate (percent)	0.64%	0.00%
Maximum
Fixed rate
Interest rate (percent)	3.32%	3.32%
Weighted Average
Fixed rate
Interest rate (percent)	2.53%	2.51%

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Federal Home Loan Bank, Advances, General Debt Obligations, Disclosure, Weighted Average Interest Rate, Variable

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Amount of unearned commitment fees on advances made and reported by Federal Home Loan Bank (FHLBank).

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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Amount of Federal Home Loan Bank (FHLB) advances which have fixed interest.

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Amount of Federal Home Loan Bank (FHLB) advances which have floating interest rates.

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