Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Components of Income Tax Expense (Benefit) Attributable to Current Operations

The significant components of our income tax expense attributable to current operations for the periods stated were as follows:

	For the Year Ended December 31,
	2014			2013			2012
	(Dollars in thousands)
Income before income tax expense	$	27,327		$	45,339		$	46,063
Current:
Federal tax	$	753		$	575		$	(144	)
State tax	1,087			958			1,179
Foreign tax	2			—			4
	$	1,842		$	1,533		$	1,039
Deferred:
Federal tax	$	6,046		$	16,790		$	18,378
State tax	(1,249		)	(355		)	296
Foreign tax	(57		)	(159		)	(634		)
	$	4,740		$	16,276		$	18,040
Total income tax expense	$	6,582		$	17,809		$	19,079

Schedule of Difference Between United States Federal Statutory Rate and Effective Tax Rate

The following table summarizes the principal elements of the difference between the United States Federal statutory rate of 35% and our effective tax rate:

	For the Year Ended December 31,
	2014		2013		2012
Federal income tax at statutory rate	35.0	%	35.0	%	35.0	%
Increase (decrease) in taxes resulting from:
State income taxes, net of Federal tax benefit	4.4	%	3.8	%	3.4	%
State law changes	—	%	—	%	0.3	%
Nondeductible compensation expense	—	%	1.8	%	—	%
Change in deferred income tax rates	0.9	%	(2.6	)%	—	%
Interest on income tax refunds	—	%	—	%	(0.1	)%
Change in valuation allowance	(18.6	)%	1.2	%	1.4	%
Other	2.4	%	0.1	%	1.4	%
Effective tax rate	24.1	%	39.3	%	41.4	%

Schedule of Net Deferred Income Tax Assets

The net deferred income tax assets at December 31, 2014 and 2013 were as follows:

	December 31,
	2014			2013
	(Dollars in thousands)
Current:
Net deferred income tax asset	$	13,366		$	18,565
Valuation allowance	(11,172		)	(15,176		)
	2,194			3,389
Long-term:
Net deferred income tax asset	124,967			129,595
Valuation allowance	(103,018		)	(104,101		)
	21,949			25,494
Total deferred income tax assets	$	24,143		$	28,883

Schedule of Deferred Income Tax Assets

The deferred income tax assets at December 31, 2014 and 2013 were as follows:

	December 31,
	2014			2013
	(Dollars in thousands)
Net operating losses and tax credits	$	118,203		$	130,880
Property and equipment	12,077			12,380
Accruals and accrued loss contingencies	9,484			8,043
Gross deferred income tax assets	139,764			151,303
Deferred income tax liabilities:
Prepaid expenses	(951		)	(398		)
Other	(408		)	(3		)
Intangible assets	(72		)	(2,742		)
Gross deferred income tax liabilities	(1,431		)	(3,143		)
Net deferred income tax assets	$	138,333		$	148,160
Valuation allowance	(114,190		)	(119,277		)
Total deferred income tax assets	$	24,143		$	28,883