Loans Receivable and Allowance for Loan Losses - Schedule of Troubled Debt Restructurings Subsequently Defaulted (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 SecurityLoan	Mar. 31, 2013 SecurityLoan
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	$ 90	$ 1,785
Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	90	1,785
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	3	0
Outstanding Recorded Investment	1,647	0
Total Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans	4	1
Outstanding Recorded Investment	$ 1,737	$ 1,785