Stock Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

Stock-based compensation expense by type of equity-based award, all of which was recognized as a component of "Selling, general, and administrative expenses" in the consolidated statements of operations for the years ended December 31, 2015, 2014, and 2013, was as follows:

	Year Ended December 31,
	2015		2014		2013
	(in thousands)
Stock options	$	—	$	36	$	91
Restricted stock	3,157		2,771		1,949
Total stock-based compensation	$	3,157	$	2,807	$	2,040

Schedule of Stock Options Roll Forward

Information relating to outstanding and exercisable stock options under the Equity Plans at December 31, 2015, is summarized in the following table. All stock option grants had exercise prices equal to or greater than the market price on the grant date.

	Shares	Weighted Average Exercise Price		Weighted-Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
	(in thousands)				(in thousands)
Outstanding and exercisable, December 31, 2015	56	$	30.14	3.2	$	—

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

Information relating to restricted stock activity in the Equity Plans for the year ended December 31, 2015, is summarized in the following table.

	Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Non-vested stock, January 1, 2015	57		$	30.10
Awarded	181		$	23.62
Vested	(34	)	$	30.58
Forfeited	(3	)	$	26.97
Non-vested stock, December 31, 2015	201		$	24.22

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable

Information relating to the fair value of grants of equity awards and the fair value of restricted shares vested for the years ended December 31, 2015, 2014, and 2013 is summarized in the following table. No stock options were exercised during the years ended December 31, 2015, 2014, and 2013.

	Year Ended December 31,
	2015		2014		2013
	(in thousands)
Fair value on grant date - restricted stock	$	4,264	$	788	$	3,977
Fair value of restricted stock vested	$	1,042	$	2,739	$	2,797