Loans Receivable Held For Sale (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
One to four units	$ 0		$ 7,916
Five or more units	6,857		5,795
Commercial real estate	4,008		1,358
Church	4,758		4,300
Valuation allowance	(317)		(318)
Loans receivable held for sale, net	15,306		19,051
Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable held for sale, Gross	8,060	[1]	10,168	[1]
Valuation allowance	0		0
Loans receivable held for sale, net	8,060		10,168
Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable held for sale, Gross	7,563		9,201
Valuation allowance	(317)		(318)
Loans receivable held for sale, net	$ 7,246		$ 8,883

[1] (1) Net of charge-offs of $3.2 million and $2.5 million at March 31, 2013 and December 31, 2012.