CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income before noncontrolling interest	$ 52,293	$ 44,917	$ 33,220
Other comprehensive income:
Change in net unrealized (loss) gain on securities	(66,053)	(21,661)	31,965
Losses realized in net income	8,177	493	326
Total available for sale adjustment	(57,876)	(21,168)	32,291
Deferred income tax effect	(15,596)	(7,414)	11,826
Unrealized gains on currency translation	3	0	0
Total other comprehensive loss income	(42,277)	(13,754)	20,465
Total comprehensive income	10,016	31,163	53,685
Total comprehensive income attributable to non-controlling interest	673	0	0
Total comprehensive income	$ 9,343	$ 31,163	$ 53,685

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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