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FAIR VALUES OF FINANCIAL INSTRUMENTS - Fair Value Option Loans Held-for-Sale (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Continuing Operations |  |  |  |  |
Fair Value |  |  |  |  |
Total loans | $ 43,188 |  | $ 43,188 |  | $ 10,636
Nonaccrual loans | 34,520 |  | 34,520 |  | 0
Loans past due 90 days or more and still accruing | 0 |  | 0 |  | 0
Unpaid Principal Balance |  |  |  |  |
Total loans | 44,544 |  | 44,544 |  | 10,606
Nonaccrual loans | 35,051 |  | 35,051 |  | 0
Loans past due 90 days or more and still accruing | 0 |  | 0 |  | 0
Difference |  |  |  |  |
Total loans | (1,356) |  | (1,356) |  | 30
Nonaccrual loans | (531) |  | (531) |  | 0
Loans past due 90 days or more and still accruing | 0 |  | 0 |  | 0
Net gains (losses) from fair value changes | (70) | $ 156 | (62) | $ 156 |
Discontinued Operations |  |  |  |  |
Fair Value |  |  |  |  |
Total loans | 58,954 |  | 58,954 |  | 406,338
Nonaccrual loans | 32,905 |  | 32,905 |  | 54,151
Loans past due 90 days or more and still accruing | 0 |  | 0 |  | 0
Unpaid Principal Balance |  |  |  |  |
Total loans | 61,292 |  | 61,292 |  | 397,283
Nonaccrual loans | 33,834 |  | 33,834 |  | 54,824
Loans past due 90 days or more and still accruing | 0 |  | 0 |  | 0
Difference |  |  |  |  |
Total loans | (2,338) |  | (2,338) |  | 9,055
Nonaccrual loans | (929) |  | (929) |  | (673)
Loans past due 90 days or more and still accruing | 0 |  | 0 |  | $ 0
Net gains (losses) from fair value changes | $ (996) | $ 15,686 | $ (1,551) | $ 16,856 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 + Details
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