Loan Receivable and Allowance for Loan and Lease Losses Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			$ 10,989	$ 19,821	$ 19,821
Charge-offs	(2,874)	(5,784)	(2,874)	(5,784)	5,903
Recoveries			1,026	60	398
Provision for loan losses	(1,052)	(398)	(726)	386	3,327
Loans and Leases Receivable	8,415	14,483	8,415	14,483	10,989
Allowance for Credit Losses, Collectively Evaluated for Impairment	7,164	11,826	7,164	11,826	8,678
Allowance for Credit Losses, Individually Evaluated for Impairment	1,251	2,657	1,251	2,657	2,311
Loans, net	393,163	364,454	393,163	364,454	370,122
Ending balance, Collectively Evaluated for Impairment	366,235	334,776	366,235	334,776	339,100
Ending balance Individually Evaluated for Impairment	26,928	29,678	26,928	29,678	31,022
One- to four family loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			3,496	4,305	4,305
Charge-offs	(1,619)	(2,103)	(1,619)	(2,103)	2,103
Recoveries			515	0	15
Provision for loan losses			1,675	2,394	1,279
Loans and Leases Receivable	4,067	4,596	4,067	4,596	3,496
Allowance for Credit Losses, Collectively Evaluated for Impairment	3,636	4,217	3,636	4,217	3,179
Allowance for Credit Losses, Individually Evaluated for Impairment	431	379	431	379	317
Loans, net	118,187	61,726	118,187	61,726	73,987
Ending balance, Collectively Evaluated for Impairment	110,268	54,939	110,268	54,939	67,619
Ending balance Individually Evaluated for Impairment	7,919	6,787	7,919	6,787	6,368
Multifamily Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			408	5,409	5,409
Charge-offs	(98)	(226)	(98)	(226)	226
Recoveries			23	0	91
Provision for loan losses			48	4,155	4,866
Loans and Leases Receivable	381	1,028	381	1,028	408
Allowance for Credit Losses, Collectively Evaluated for Impairment	329	1,028	329	1,028	409
Allowance for Credit Losses, Individually Evaluated for Impairment	52	0	52	0	0
Loans, net	47,544	67,058	47,544	67,058	56,607
Ending balance, Collectively Evaluated for Impairment	46,181	67,058	46,181	67,058	55,991
Ending balance Individually Evaluated for Impairment	1,363	0	1,363	0	616
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			3,298	6,709	6,709
Charge-offs	(570)	(1,149)	(570)	(1,149)	1,148
Recoveries			0	0	0
Provision for loan losses			508	921	2,263
Loans and Leases Receivable	2,220	4,639	2,220	4,639	3,298
Allowance for Credit Losses, Collectively Evaluated for Impairment	1,971	4,182	1,971	4,182	3,103
Allowance for Credit Losses, Individually Evaluated for Impairment	249	457	249	457	194
Loans, net	194,019	200,641	194,019	200,641	202,771
Ending balance, Collectively Evaluated for Impairment	181,435	184,742	181,435	184,742	186,336
Ending balance Individually Evaluated for Impairment	12,584	15,899	12,584	15,899	16,435
Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			0	1,532	1,532
Charge-offs	0	(151)	0	(151)	151
Recoveries			149	22	22
Provision for loan losses			149	1,403	1,403
Loans and Leases Receivable	0	0	0	0	0
Allowance for Credit Losses, Collectively Evaluated for Impairment	0	0	0	0	0
Allowance for Credit Losses, Individually Evaluated for Impairment	0	0	0	0	0
Loans, net	5,068	1,230	5,068	1,230	1,230
Ending balance, Collectively Evaluated for Impairment	5,068	0	5,068	0	0
Ending balance Individually Evaluated for Impairment	0	1,230	0	1,230	1,230
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			3,759	1,786	1,786
Charge-offs	(572)	(2,152)	(572)	(2,152)	2,274
Recoveries			326	34	265
Provision for loan losses			1,748	4,521	3,982
Loans and Leases Receivable	1,765	4,189	1,765	4,189	3,759
Allowance for Credit Losses, Collectively Evaluated for Impairment	1,212	2,368	1,212	2,368	1,959
Allowance for Credit Losses, Individually Evaluated for Impairment	519	1,821	519	1,821	1,800
Loans, net	28,083	33,519	28,083	33,519	35,277
Ending balance, Collectively Evaluated for Impairment	23,022	27,757	23,022	27,757	28,904
Ending balance Individually Evaluated for Impairment	5,061	5,762	5,061	5,762	6,373
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable			28	80	80
Charge-offs	(15)	(3)	(15)	(3)	1
Recoveries			13	4	5
Provision for loan losses			44	50	56
Loans and Leases Receivable	(18)	31	(18)	31	28
Allowance for Credit Losses, Collectively Evaluated for Impairment	16	31	16	31	28
Allowance for Credit Losses, Individually Evaluated for Impairment	0	0	0	0	0
Loans, net	262	280	262	280	250
Ending balance, Collectively Evaluated for Impairment	261	280	261	280	250
Ending balance Individually Evaluated for Impairment	$ 1	$ 0	$ 1	$ 0	$ 0