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FAIR VALUE MEASUREMENTS - Unobservable Inputs Recurring (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Derivative asset (liability), fair value	$ (2,223,000)	$ (5,526,000)
Recurring | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Total	(93,000)	(73,000)
Recurring | Level 3 | Interest rate lock commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Derivative asset (liability), fair value	$ 47,000	22,000
Closing Ratio	85.00%
Origination Costs, per loan	$ 1,700
Recurring | Level 3 | Forward Commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Derivative asset (liability), fair value	$ (140,000)	$ (95,000)

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- Definition

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+ References

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- Definition

Fair Value Inputs, Origination Cost Per Loan

+ References

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958

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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.

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- Definition

Fair value of asset after deduction of liability.

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