Investment Securities Investment Securities Amortized Cost and Estimated Fair Value (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
		Dec. 31, 2015	Mar. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity, Amortized Cost	[1]	$ 15,731	$ 11,922
Held-to-maturity, Gross Unrealized Gains	[1]	149	309
Held-to-maturity, Gross Unrealized Losses	[1]	159	0
Held-to-maturity, Fair Value	[1]	15,721	12,231
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		69,602	102,230
Available-for-sale, Gross Unrealized Gains		0	102
Available-for-sale, Gross Unrealized Losses		1,410	1,147
Other		46	47
Available-for-sale, Fair Value		68,192	101,185
securities amortized cost		85,333	114,152
Unrealized Gain on Securities		149	411
Unrealized Loss on Securities		1,569	1,147
Investments, Fair Value Disclosure		83,913	113,416
Government National Mortgage Association
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		4,959	5,575
Available-for-sale, Gross Unrealized Gains		0	9
Available-for-sale, Gross Unrealized Losses		46	57
Available-for-sale, Fair Value		4,913	5,527
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		8,079	10,705
Available-for-sale, Gross Unrealized Gains		0	10
Available-for-sale, Gross Unrealized Losses		212	127
Available-for-sale, Fair Value		7,867	10,588
Federal National Mortgage Association
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		8,149	10,925
Available-for-sale, Gross Unrealized Gains		0	35
Available-for-sale, Gross Unrealized Losses		168	103
Available-for-sale, Fair Value		7,981	10,857
Mortgage Backed Securities, Other [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		46	47
Available-for-sale, Gross Unrealized Gains		0	0
Available-for-sale, Gross Unrealized Losses		0	0
Available-for-sale, Fair Value		46	47
Mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		21,233	27,252
Available-for-sale, Gross Unrealized Gains		0	54
Available-for-sale, Gross Unrealized Losses		426	287
Available-for-sale, Fair Value		20,807	27,019
US Government Agency Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		37,385	58,464
Available-for-sale, Gross Unrealized Gains		0	48
Available-for-sale, Gross Unrealized Losses		641	662
Available-for-sale, Fair Value		36,744	57,850
Other
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		10,984	16,514
Available-for-sale, Gross Unrealized Gains		0	0
Available-for-sale, Gross Unrealized Losses		343	198
Available-for-sale, Fair Value		10,641	16,316
Government National Mortgage Association
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity, Amortized Cost	[1]	2,543	3,100
Held-to-maturity, Gross Unrealized Gains	[1]	149	232
Held-to-maturity, Gross Unrealized Losses	[1]	0	0
Held-to-maturity, Fair Value		2,692	3,332
Federal National Mortgage Association
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity, Amortized Cost	[1]	12,188	8,822
Held-to-maturity, Gross Unrealized Gains	[1]	0	77
Held-to-maturity, Gross Unrealized Losses	[1]	149	0
Held-to-maturity, Fair Value		12,039	8,899
Mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity, Amortized Cost	[1]	14,731	11,922
Held-to-maturity, Gross Unrealized Gains	[1]	149	309
Held-to-maturity, Gross Unrealized Losses	[1]	149	0
Held-to-maturity, Fair Value	[1]	14,731	$ 12,231
Corporate Bond Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity, Amortized Cost	[1]	1,000
Held-to-maturity, Gross Unrealized Gains	[1]	0
Held-to-maturity, Gross Unrealized Losses	[1]	10
Held-to-maturity, Fair Value		$ 990

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