Income Taxes - Schedule of Deferred Tax Assets And liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax liabilities:
Property and equipment	$ (2,870)	$ (2,370)
Other	(2,923)	(1,673)
Total deferred tax liabilities	(5,793)	(4,043)
Deferred tax assets:
Loan loss and other reserves	7,751	7,218
Operating loss and interest deduction carry forwards	2,283	3,938
Other	3,371	1,261
Total deferred tax assets	13,405	12,417
Valuation allowance	(7,843)	(8,540)
Net deferred tax (liability)	$ (231)	$ (166)