Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Net income attributable to common stockholders—basic	$ 5,554	$ 2,885	$ 4,482	$ 5,391
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	7	11	5	20
Net income	$ 5,561	$ 2,896	$ 4,487	$ 5,411
Weighted average common shares outstanding—basic	16,313,312	16,030,167	16,291,324	16,016,984
Shares issuable under stock options	139,187	153,971	135,513	141,741
Weighted average common shares outstanding—diluted	16,452,499	16,184,138	16,426,837	16,158,725
Net income per common share—basic	$ 0.34	$ 0.18	$ 0.28	$ 0.34
Net income per common share—diluted	$ 0.34	$ 0.18	$ 0.27	$ 0.33
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	13,887	988	21,723	69,073