Income Taxes - Consolidated Provisions for (Benefits from) Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Federal                    
Current                 $ 971 $ (381)
Deferred                 245 830
Total                 1,216 449
State                    
Current                 230 126
Deferred                 63 170
Total                 293 296
Total $ 303 $ 350 $ 512 $ 344 $ 588 $ 517 $ 622 $ (982) $ 1,509 $ 745