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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Statement of Comprehensive Income [Abstract] |  |
Net income | $ 19,855 | $ 48,386
Other comprehensive income, net of tax: |  |
Unrealized investment gains arising during the period | 67,703 | 138,634
Adjustment for reclassification of net realized investment losses and OTTI losses recognized in net income | 24,968 | 59,281
Unrealized investment gains arising during the period, net of reclassification adjustment | 92,671 | 197,915
Foreign currency translation adjustment | 29,869 | 8,196
Total other comprehensive income, net of tax | 122,540 | 206,111
Comprehensive income | $ 142,395 | $ 254,497

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