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RESERVE FOR LOSS ON REPURCHASED LOANS - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Representations and Warranties Obligations and Corporate Guarantees
Loss Contingencies [Line Items]
Decrease in reserve for loss on repurchased loans	$ 3.8
Representations and Warranties Obligations and Corporate Guarantees, Portfolio Run-Off And Repurchase Settlement Activities
Loss Contingencies [Line Items]
Decrease in reserve for loss on repurchased loans	$ 1.5

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- Definition

Amount of increase (decrease) in 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=82911808&loc=d3e14326-108349

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