Investment Securities Text Figures (Details)		9 Months Ended	12 Months Ended
		Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)
Schedule of Investments [Line Items]
Available-for-sale		$ 68,192,000	$ 101,185,000
Percentage Available-for-sale Securities		81.30%
Held-to-maturity	[1]	$ 15,731,000	11,922,000
Held-to-maturity Securities, Amortized Cost			$ 11,922,000
Percentage Held-to-maturity Securities		18.70%
Trading Securities		$ 0
Number of securities with unrealized loss		30	23
US Government Agency Securities
Schedule of Investments [Line Items]
Percentage Available-for-Sale, Continuos Unrealized Loss Position		54.70%
Number of AFS securities in Unrealized Loss Positions, greater than or equal to 12 months		10
Available-for-sale		$ 36,744,000	$ 57,850,000
Mortgage-backed securities
Schedule of Investments [Line Items]
Percentage Available-for-Sale, Continuos Unrealized Loss Position		30.90%
Number of AFS securities in Unrealized Loss Positions, greater than or equal to 12 months		7
Available-for-sale		$ 20,807,000	27,019,000
Other
Schedule of Investments [Line Items]
Number of AFS securities in Unrealized Loss Positions, greater than or equal to 12 months		1
Available-for-sale		$ 10,641,000	$ 16,316,000

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