Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 3,924	$ 3,598	$ 10,590	$ 9,687
Other comprehensive income (loss), net of tax:
Unrealized holding gains (losses) on available-for-sale securities arising during the period	(59)	46	(1,216)	62
Reclassification adjustment for realized gains included in net income	26		(315)	(84)
Other comprehensive income (loss)	(33)	46	(1,531)	(22)
Comprehensive income	$ 3,891	$ 3,644	$ 9,059	$ 9,665