Income Taxes - Schedule of Income Tax Exepnse (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 30,757	$ 18,458	$ 16,451
State	4,533	2,818	2,759
Total current	35,290	21,276	19,210
Deferred:
Federal	10,056	7,697	2,131
State	1,220	1,065	274
Total deferred	11,276	8,762	2,405
Total income tax expense	$ 46,566	$ 30,038	$ 21,615

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.