Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Unearned ESOP Shares	Accumulated Other Comprehensive (Loss) Income, Net of Tax
Shares, beginning balance at Jun. 30, 2015		13,100,360
Beginning balance at Jun. 30, 2015	$ 190,681	$ 131	$ 126,809	$ 74,573	$ (11,582)	$ 750
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,941			1,941
Other comprehensive income (loss), net of tax	(2,301)					(2,301)
Purchase of ESOP shares	(1,253)				(1,253)
ESOP shares committed to be released	307		1		306
Shares, ending balance at Dec. 31, 2015		13,100,360
Ending balance at Dec. 31, 2015	$ 189,375	$ 131	126,810	76,514	(12,529)	(1,551)
Shares, beginning balance at Jun. 30, 2016	12,676,660	12,676,660
Beginning balance at Jun. 30, 2016	$ 189,741	$ 127	122,595	77,301	(12,177)	1,895
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,839			1,839
Other comprehensive income (loss), net of tax	(3,132)					(3,132)
ESOP shares committed to be released	368		38		330
Common stock repurchased, shares		(912,714)
Common stock repurchased	(12,434)	$ (9)	(9,118)	(3,307)
Restricted stock awards net of forfeitures, shares		390,000
Restricted stock awards net of forfeitures	0	$ 4	(4)
Share-based compensation	$ 510		510
Shares, ending balance at Dec. 31, 2016	12,153,946	12,153,946
Ending balance at Dec. 31, 2016	$ 176,892	$ 122	$ 114,021	$ 75,833	$ (11,847)	$ (1,237)