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FAIR VALUES OF FINANCIAL INSTRUMENTS - Fair Value Option Loans Held-for-Sale (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Continuing Operations
Fair Value
Total loans	$ 1,413,000	$ 22,642,000
Non-accrual loans	654,000	8,125,000
Unpaid Principal Balance
Total loans	1,680,000	23,455,000
Non-accrual loans	750,000	8,370,000
Difference
Total loans	(267,000)	(813,000)
Non-accrual loans	(96,000)	(245,000)
Non-accrual loans, guaranteed by US government	190,000	6,700,000
Fair value adjustment for loans held-for-sale	(1,501,000)	106,000	$ 204,000
Discontinued Operations
Fair Value
Loans past due 90 days or more and still accruing	0	0
Difference
Fair value adjustment for loans held-for-sale	$ 0	$ 0	$ 159,000

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- Definition

Fair Value, Option, Loans Held As Assets, Aggregate Amount In Nonaccrual Status, Aggregated Unpaid Principal Balance

+ References

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- Definition

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Fair Value, Option, Loans Held As Assets, Loans Held-For-Sale, Total, Aggregated Unpaid Principal Balance

+ References

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- Definition

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Fair Value, Option, Loans Held as Assets, Aggregate Unpaid Principal Balance [Abstract]

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- Definition

Fair Value, Option, Loans Held as Assets, Loans Held-For-Sale, Total

+ References

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
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- Definition

This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
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- Definition

This item represents the aggregate fair value of loans held as assets that are in nonaccrual status for which the fair value option has been elected, if the entity's policy is to recognize interest income separately from other changes in fair value.

+ References

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- Definition

For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are in nonaccrual status.

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