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FAIR VALUE MEASUREMENTS - Level 3 for financial instruments measured at fair value (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | $ 155,830 | $ 226,797
Transfers into Level 3 | 10,010 | 2,324
Transfers out of Level 3 | (4,279) | (21,670)
Included in net income | 5,033 | 4,359
Included in OCI | 5,752 | (39)
Purchases | 47,577 | 19,766
Sales | (11,555) | (22,903)
Settlements/ distributions | (55,900) | (52,804)
Closing balance | 152,468 | 155,830
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 5,714 | 4,209
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 11,510 | 6,500
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in earnings | (1,211) | 9,320
Included in OCI | 0 | 0
Purchases | 0 | 12,472
Sales | 0 | 0
Settlements/ distributions | 0 | (16,782)
Closing balance | 10,299 | 11,510
Change in unrealized investment gain/(loss) relating to liabilities held at the reporting date | (1,211) | (962)
Fixed maturities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 52,897 | 96,400
Transfers into Level 3 | 10,010 | 2,324
Transfers out of Level 3 | (4,279) | (21,670)
Included in net income | (591) | (503)
Included in OCI | 5,752 | (39)
Purchases | 44,467 | 17,062
Sales | (7,446) | (22,903)
Settlements/ distributions | (14,131) | (17,774)
Closing balance | 86,679 | 52,897
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 0 | 0
Corporate debt |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 52,897 | 75,875
Transfers into Level 3 | 2,935 | 2,324
Transfers out of Level 3 | (4,279) | (2,721)
Included in net income | (591) | (503)
Included in OCI | 6,343 | (1,524)
Purchases | 10,267 | 17,062
Sales | (7,446) | (22,903)
Settlements/ distributions | (11,114) | (14,713)
Closing balance | 49,012 | 52,897
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 0 | 0
CMBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 0 | 3,061
Transfers into Level 3 | 5,096 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | 0 | 0
Included in OCI | (145) | 0
Purchases | 17,200 | 0
Sales | 0 | 0
Settlements/ distributions | (3,017) | (3,061)
Closing balance | 19,134 | 0
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 0 | 0
ABS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 0 | 17,464
Transfers into Level 3 | 1,979 | 0
Transfers out of Level 3 | 0 | (18,949)
Included in net income | 0 | 0
Included in OCI | (446) | 1,485
Purchases | 17,000 | 0
Sales | 0 | 0
Settlements/ distributions | 0 | 0
Closing balance | 18,533 | 0
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 0 | 0
Other investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 77,843 | 102,842
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | 5,714 | 4,142
Included in OCI | 0 | 0
Purchases | 3,110 | 2,704
Sales | (4,109) | 0
Settlements/ distributions | (16,769) | (31,845)
Closing balance | 65,789 | 77,843
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 5,714 | 4,142
Other privately held investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 46,430 | 42,142
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | (913) | 1,584
Included in OCI | 0 | 0
Purchases | 3,110 | 2,704
Sales | (4,109) | 0
Settlements/ distributions | 0 | 0
Closing balance | 44,518 | 46,430
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | (913) | 1,584
CLO-Equities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 31,413 | 60,700
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | 6,627 | 2,558
Included in OCI | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements/ distributions | (16,769) | (31,845)
Closing balance | 21,271 | 31,413
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 6,627 | 2,558
Other assets |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 25,090 | 27,555
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | (90) | 720
Included in OCI | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements/ distributions | (25,000) | (3,185)
Closing balance | 0 | 25,090
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 0 | 67
Derivative instruments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 0 | 2,532
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | 0 | 653
Included in OCI | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements/ distributions | 0 | (3,185)
Closing balance | 0 | 0
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | 0 | 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 11,510 | 6,500
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in earnings | (1,211) | 9,320
Included in OCI | 0 | 0
Purchases | 0 | 12,472
Sales | 0 | 0
Settlements/ distributions | 0 | (16,782)
Closing balance | 10,299 | 11,510
Change in unrealized investment gain/(loss) relating to liabilities held at the reporting date | (1,211) | (962)
Insurance-linked securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Opening balance | 25,090 | 25,023
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Included in net income | (90) | 67
Included in OCI | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements/ distributions | (25,000) | 0
Closing balance | 0 | 25,090
Change in unrealized investment gain/(loss) relating to assets held at the reporting date | $ 0 | $ 67

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