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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Statement of Comprehensive Income [Abstract] |  |
Net income before noncontrolling interest | $ 16,320 | $ 4,670
Other comprehensive (loss) income: |  |
Change in net unrealized gain (loss) on debt securities | 6,171 | (7,480)
(Gains) losses realized in net income | 22 | 1,010
Total | 6,193 | (6,470)
Unrealized gains (loss) on currency translation | 1,433 | (3,086)
Deferred income tax effect | (360) | 0
Total other comprehensive (loss) income | 4,400 | (3,384)
Total comprehensive income | 20,720 | 1,286
Total comprehensive income attributable to noncontrolling interest | 922 | 0
Comprehensive income attributable to parent | $ 19,798 | $ 1,286

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