Loans Receivable and Allowance for Loan Losses - Schedule of Troubled Debt Restructurings Subsequently Defaulted (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014 SecurityLoan	Jun. 30, 2013 SecurityLoan
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	2	1
Outstanding Recorded Investment	$ 264	$ 1,445
Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	2	1
Outstanding Recorded Investment	264	1,445
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	0
Outstanding Recorded Investment	0
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	0	0
Outstanding Recorded Investment	0	0
Total Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	2	1
Outstanding Recorded Investment	$ 264	$ 1,445