Investment Securities Investment Securities Amortized Cost and Estimated Fair Value (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Jun. 30, 2015	Mar. 31, 2015
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		$ 88,885	$ 102,230
Available-for-sale Securities, Gross Unrealized Gain		18	102
Available-for-sale Securities, Gross Unrealized Loss		(1,931)	(1,147)
Available-for-sale		86,972	101,185
Held-to-maturity Securities, Amortized Cost	[1]	16,596	11,922
Held-to-maturity Securities, Unrecognized Holding Gain	[1]	180	309
Held-to-maturity Securities, Unrecognized Holding Loss	[1]	(107)	0
Held-to-maturity Securities, Fair Value	[1]	16,669	12,231
securities amortized cost		105,481	114,152
Unrealized Gain on Securities		198	411
Unrealized Loss on Securities		(2,038)	(1,147)
Investments, Fair Value Disclosure		103,641	113,416
Government National Mortgage Association
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		5,310	5,575
Available-for-sale Securities, Gross Unrealized Gain		5	9
Available-for-sale Securities, Gross Unrealized Loss		(94)	(57)
Available-for-sale		5,221	5,527
Held-to-maturity Securities, Amortized Cost	[1]	2,896	3,100
Held-to-maturity Securities, Unrecognized Holding Gain	[1]	180	232
Held-to-maturity Securities, Unrecognized Holding Loss	[1]	0	0
Held-to-maturity Securities, Fair Value	[1]	3,076	3,332
Federal Home Loan Mortgage Corporation
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		10,156	10,705
Available-for-sale Securities, Gross Unrealized Gain		6	10
Available-for-sale Securities, Gross Unrealized Loss		(218)	(127)
Available-for-sale		9,944	10,588
Federal National Mortgage Association
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		10,600	10,925
Available-for-sale Securities, Gross Unrealized Gain		2	35
Available-for-sale Securities, Gross Unrealized Loss		(206)	(103)
Available-for-sale		10,396	10,857
Held-to-maturity Securities, Amortized Cost	[1]	12,700	8,822
Held-to-maturity Securities, Unrecognized Holding Gain	[1]	0	77
Held-to-maturity Securities, Unrecognized Holding Loss	[1]	(107)	0
Held-to-maturity Securities, Fair Value	[1]	12,593	8,899
Other mortgage-backed securities
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		46	47
Available-for-sale Securities, Gross Unrealized Gain		0	0
Available-for-sale Securities, Gross Unrealized Loss		0	0
Available-for-sale		46	47
Mortgage-backed securities
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		26,112	27,252
Available-for-sale Securities, Gross Unrealized Gain		13	54
Available-for-sale Securities, Gross Unrealized Loss		(518)	(287)
Available-for-sale		25,607	27,019
Held-to-maturity Securities, Amortized Cost	[1]	15,596	11,922
Held-to-maturity Securities, Unrecognized Holding Gain	[1]	180	309
Held-to-maturity Securities, Unrecognized Holding Loss	[1]	(107)	0
Held-to-maturity Securities, Fair Value	[1]	15,669	12,231
US Government Agency Securities
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		51,791	58,464
Available-for-sale Securities, Gross Unrealized Gain		5	48
Available-for-sale Securities, Gross Unrealized Loss		(1,088)	(662)
Available-for-sale		50,708	57,850
Other
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		10,982	16,514
Available-for-sale Securities, Gross Unrealized Gain		0	0
Available-for-sale Securities, Gross Unrealized Loss	[2]	(325)	(198)
Available-for-sale		10,657	$ 16,316
Corporate Bond Securities [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	[1]	1,000
Held-to-maturity Securities, Unrecognized Holding Gain	[1]	0
Held-to-maturity Securities, Unrecognized Holding Loss	[1]	0
Held-to-maturity Securities, Fair Value	[1]	$ 1,000

[1] * The carrying amount and amortized cost are the same for all held-to-maturity securities, as no OTTI has been recorded.

[2] (1) CRA fund comprised of over 95% agency securities.