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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contingent obligations	$ 8.0
Minimum
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments period to make fixed-rate commercial draw notes (months)	3 months
Minimum | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Interest rate on fixed-rate commitments to make loans	2.63%
Maturity period of fixed-rate commitments to make loans (years)	3 years
Interest rate on fixed-rate commitments to make commercial draw notes (in hundredths)	1.00%
Maximum
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments period to make real estate and home equity loans (days)	60 days
Commitments period to make fixed-rate commercial draw notes (months)	24 months
Off-balance sheet financial instruments, standard term	12 months
Maximum | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Interest rate on fixed-rate commitments to make loans	5.50%
Maturity period of fixed-rate commitments to make loans (years)	30 years
Interest rate on fixed-rate commitments to make commercial draw notes (in hundredths)	7.38%

X

- Definition

Represents the period, for which commitments are generally made to make commercial draw notes.

+ References

No definition available.

+ Details

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X

- Definition

Represents the period, for which commitments are generally made to make real estate and home equity loans.

+ References

No definition available.

+ Details

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X

- Definition

For off-balance sheet financial instruments, the standard term for the agreement.

+ References

No definition available.

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X

- Definition

Refer to interest rate on fixed-rate commitments to make commercial draw notes.

+ References

No definition available.

+ Details

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X

- Definition

Refer to interest rate on the fixed-rate commitments to make loans.

+ References

No definition available.

+ Details

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X

- Definition

Refers to maturity period of the fixed-rate commitments to make loans.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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