Income Taxes - Summary of Income Tax Provision (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
U.S. federal	$ 9,924	$ 16,837	$ (2,404)
State	2,496	2,959	430
Total current income tax provision	12,420	19,796	(1,974)
Deferred:
U.S. federal	11,822	(678)	7,880
State	276	(27)	451
Total deferred income tax (benefit) provision	12,098	(705)	8,331
Total income tax (benefit) provision	$ 24,518	$ 19,091	$ 6,357

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.