Unaudited Interim Financial Information - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Quarterly Financial Information Disclosure [Abstract]
Interest and dividend income	$ 22,197	$ 21,536	$ 21,559	$ 19,864	$ 15,781	$ 14,392	$ 15,265	$ 14,843	$ 85,156	$ 60,281	$ 60,389
Interest expense	1,409	1,348	1,369	1,264	1,255	1,248	1,383	1,546	5,390	5,432	7,255
Net Interest Income	20,788	20,188	20,190	18,600	14,526	13,144	13,882	13,297	79,766	54,849	53,134
Provision for (recovery of) loan losses	400	0	0	(250)	(1,500)	(1,800)	(700)	(2,300)	150	(6,300)	1,100
Net interest income after provision for loan losses	20,388	20,188	20,190	18,850	16,026	14,944	14,582	15,597
Noninterest income	3,618	3,313	2,819	2,769	2,196	2,025	2,246	2,271	12,519	8,738	10,387
Noninterest expense	20,895	22,025	20,135	18,497	16,415	13,396	13,346	11,875	81,552	55,032	51,393
Net income before provision for income taxes	3,111	1,476	2,874	3,122	1,807	3,573	3,482	5,993
Income tax expense	553	314	825	866	274	967	606	2,666	2,558	4,513	1,975
Net Income	$ 2,558	$ 1,162	$ 2,049	$ 2,256	$ 1,533	$ 2,606	$ 2,876	$ 3,327	$ 8,025	$ 10,342	$ 9,053
Basic net income per common share (in dollars per share)	$ 0.14	$ 0.06	$ 0.10	$ 0.12	$ 0.08	$ 0.14	$ 0.15	$ 0.17
Diluted net income per common share (in dollars per share)	$ 0.14	$ 0.06	$ 0.10	$ 0.12	$ 0.08	$ 0.14	$ 0.15	$ 0.17