Loans and Allowance - Information related to average recorded investment and interest income recognized on impaired loans (Detail 7) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income Recognized	$ 74
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment	15,317	14,597
Interest Income Recognized	114	54
Loans Receivable | Construction/Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment	4,195	4,820
Interest Income Recognized	33	4
Loans Receivable | 1-4 family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment	5,649	4,673
Interest Income Recognized	47	32
Loans Receivable | Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment	1,038	1,091
Interest Income Recognized	5
Loans Receivable | Nonresidential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment	4,105	3,395
Interest Income Recognized	28	17
Loans Receivable | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment	330	606
Interest Income Recognized	1	1
Loans Receivable | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Investment		12
Interest Income Recognized