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FAIR VALUES OF FINANCIAL INSTRUMENTS - Fair Value Option Loans Held-for-Sale (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Continuing Operations
Fair Value
Total loans	$ 12,334		$ 12,334		$ 66,603
Non-accrual loans	919		919		60,999
Unpaid Principal Balance
Total loans	13,021		13,021		67,415
Non-accrual loans	938		938		61,900
Difference
Total loans	(687)		(687)		(812)
Non-accrual loans	(19)		(19)		(901)
Non-accrual loans, guaranteed by US government	753		753		54,200
Net gains (losses) from fair value changes	6	$ 2	(20)	$ 8
Discontinued Operations
Fair Value
Total loans	26,415		26,415		38,696
Non-accrual loans	10,732		10,732		24,073
Unpaid Principal Balance
Total loans	27,510		27,510		39,541
Non-accrual loans	10,887		10,887		24,297
Difference
Total loans	(1,095)		(1,095)		(845)
Non-accrual loans	(155)		(155)		(224)
Non-accrual loans, guaranteed by US government	8,600		8,600		$ 20,700
Net gains (losses) from fair value changes	$ (247)	$ 2,459	$ (245)	$ 2,373

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- Definition

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

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- Definition

Fair Value, Option, Loans Held as Assets, Aggregate Amount Guaranteed in Nonaccrual Status

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

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

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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 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (e)(2)
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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (e)(3)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612

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