Securities, Securities in Continuous Unrealized Loss Position (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2015 USD ($) Security	Sep. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Security
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 2,296		$ 3,095
Less Than 12 Months, Unrealized Losses	$ 23		$ 29
Less Than 12 Months, Number of Securities | Security	2		3
More Than 12 Months, Fair Value	$ 2,794		$ 2,883
More Than 12 Months, Unrealized Losses	$ 35		$ 37
More Than 12 Months, Number of Securities | Security	5		5
Total, Fair Value	$ 5,090		$ 5,978
Total, Unrealized Losses	$ 58		$ 66
Total, Number of Securities | Security	7		8
Other-than-temporary impairment losses	$ 0	$ 0
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	16,571		$ 25,969
Less Than 12 Months, Unrealized Losses	$ 139		$ 254
Less Than 12 Months, Number of Securities | Security	33		54
More Than 12 Months, Fair Value	$ 31,580		$ 31,561
More Than 12 Months, Unrealized Losses	$ 502		$ 665
More Than 12 Months, Number of Securities | Security	16		17
Total, Fair Value	$ 48,151		$ 57,530
Total, Unrealized Losses	$ 641		$ 919
Total, Number of Securities | Security	49		71
Total Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 18,867		$ 29,064
Less Than 12 Months, Unrealized Losses	$ 162		$ 283
Less Than 12 Months, Number of Securities | Security	35		57
More Than 12 Months, Fair Value	$ 34,374		$ 34,444
More Than 12 Months, Unrealized Losses	$ 537		$ 702
More Than 12 Months, Number of Securities | Security	21		22
Total, Fair Value	$ 53,241		$ 63,508
Total, Unrealized Losses	$ 699		$ 985
Total, Number of Securities | Security	56		79
Proceeds from sale of available-for-sale securities, debt	$ 0	0
Gross realized gains (losses) on sale of available-for-sale securities	0	0
Other-than-temporary impairment losses	0	$ 0
State and Political Subdivisions [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value			$ 799
Less Than 12 Months, Unrealized Losses			$ 1
Less Than 12 Months, Number of Securities | Security			1
More Than 12 Months, Fair Value			$ 0
More Than 12 Months, Unrealized Losses			0
Total, Fair Value			799
Total, Unrealized Losses			$ 1
Total, Number of Securities | Security			1
Mortgage-backed Securities-Residential [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	0		$ 0
Less Than 12 Months, Unrealized Losses	$ 0		$ 0
Less Than 12 Months, Number of Securities | Security	0		0
More Than 12 Months, Fair Value	$ 1,566		$ 1,630
More Than 12 Months, Unrealized Losses	$ 12		$ 10
More Than 12 Months, Number of Securities | Security	1		1
Total, Fair Value	$ 1,566		$ 1,630
Total, Unrealized Losses	$ 12		$ 10
Total, Number of Securities | Security	1		1
Mortgage-backed Securities-Multi-family [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 2,023		$ 2,023
Less Than 12 Months, Unrealized Losses	$ 22		$ 26
Less Than 12 Months, Number of Securities | Security	1		1
More Than 12 Months, Fair Value	$ 731		$ 753
More Than 12 Months, Unrealized Losses	$ 12		$ 16
More Than 12 Months, Number of Securities | Security	1		1
Total, Fair Value	$ 2,754		$ 2,776
Total, Unrealized Losses	$ 34		$ 42
Total, Number of Securities | Security	2		2
Asset-backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 0		$ 0
Less Than 12 Months, Unrealized Losses	$ 0		$ 0
Less Than 12 Months, Number of Securities | Security	0		0
More Than 12 Months, Fair Value	$ 6		$ 9
More Than 12 Months, Unrealized Losses	$ 1		$ 1
More Than 12 Months, Number of Securities | Security	1		1
Total, Fair Value	$ 6		$ 9
Total, Unrealized Losses	$ 1		$ 1
Total, Number of Securities | Security	1		1
Corporate Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 273		$ 273
Less Than 12 Months, Unrealized Losses	$ 1		$ 2
Less Than 12 Months, Number of Securities | Security	1		1
More Than 12 Months, Fair Value	$ 491		$ 491
More Than 12 Months, Unrealized Losses	$ 10		$ 10
More Than 12 Months, Number of Securities | Security	2		2
Total, Fair Value	$ 764		$ 764
Total, Unrealized Losses	$ 11		$ 12
Total, Number of Securities | Security	3		3
U.S. Government Sponsored Enterprises [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 0		$ 0
Less Than 12 Months, Unrealized Losses	$ 0		$ 0
Less Than 12 Months, Number of Securities | Security	0		0
More Than 12 Months, Fair Value	$ 1,974		$ 1,951
More Than 12 Months, Unrealized Losses	$ 26		$ 49
More Than 12 Months, Number of Securities | Security	1		1
Total, Fair Value	$ 1,974		$ 1,951
Total, Unrealized Losses	$ 26		$ 49
Total, Number of Securities | Security	1		1
State and Political Subdivisions [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 4,691		$ 11,171
Less Than 12 Months, Unrealized Losses	$ 36		$ 143
Less Than 12 Months, Number of Securities | Security	27		49
More Than 12 Months, Fair Value	$ 1,118		$ 1,221
More Than 12 Months, Unrealized Losses	$ 22		$ 44
More Than 12 Months, Number of Securities | Security	6		9
Total, Fair Value	$ 5,809		$ 12,392
Total, Unrealized Losses	$ 58		$ 187
Total, Number of Securities | Security	33		58
Mortgage-backed Securities-Residential [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Total, Unrealized Losses	$ 0		$ 0
Mortgage-backed Securities-Multi-family [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	11,540		14,464
Less Than 12 Months, Unrealized Losses	$ 98		$ 100
Less Than 12 Months, Number of Securities | Security	4		4
More Than 12 Months, Fair Value	$ 28,283		$ 28,187
More Than 12 Months, Unrealized Losses	$ 451		$ 565
More Than 12 Months, Number of Securities | Security	6		6
Total, Fair Value	$ 39,823		$ 42,651
Total, Unrealized Losses	$ 549		$ 665
Total, Number of Securities | Security	10		10
Other Securities [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 340		$ 334
Less Than 12 Months, Unrealized Losses	$ 5		$ 11
Less Than 12 Months, Number of Securities | Security	2		1
More Than 12 Months, Fair Value	$ 205		$ 202
More Than 12 Months, Unrealized Losses	$ 3		$ 7
More Than 12 Months, Number of Securities | Security	3		1
Total, Fair Value	$ 545		$ 536
Total, Unrealized Losses	$ 8		$ 18
Total, Number of Securities | Security	5		2