FEDERAL HOME LOAN BANK BORROWINGS - FHLB Text (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal home loan bank advances collateral pledged	$ 2,200,000,000	$ 2,500,000,000
Federal Home Loan Bank borrowings	114,659,000	350,829,000
Federal home loan bank advances maximum amount available	1,400,000,000	1,400,000,000
FHLB borrowings callable before maturity	0	0
Stock in federal home loan bank	$ 13,900,000	$ 24,300,000
Minimum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal home loan bank advances collateral valuation percentage	50.00%
Ownership percentage of outstanding advances	3.00%
Maximum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal home loan bank advances collateral valuation percentage	77.00%
Ownership percentage of outstanding advances	4.00%

Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Valuation Percentage

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- Definition

Federal Home Loan Stock Ownership as a Percent of Outstanding Advances

+ References

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- Definition

FHLB Borrowings Callable Before Maturity

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
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- Definition

Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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