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COMPREHENSIVE INCOME - Narrative (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2017 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Reclassification from accumulated other comprehensive income | $ 2,978
Accumulated Net Investment Gain (Loss) Attributable to Parent |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Reclassification from accumulated other comprehensive income | 3,019
Interest Expense | Accumulated Net Investment Gain (Loss) Attributable to Parent |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Reclassification from accumulated other comprehensive income | 0
Other Expense | Accumulated Net Investment Gain (Loss) Attributable to Parent |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Reclassification from accumulated other comprehensive income | $ (3,000)

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- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84158357&loc=d3e1436-108581 + Details
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