Stockholder's Equity (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Treasury Stock Activity

The following represents the activity relating to the treasury stock held by the Company during the three months endedMarch 31, 2018:

	Treasury stock shares	Cost (dollars in thousands)		Average cost per share
Balance outstanding at December 31, 2017	12,133,276	$	186,846	$	15.40
Shares purchased for minimum tax withholding under the Equity Plan or other similar transactions	343,795	4,910		14.28
Shares of stock received in respect of indemnification claims	112,239	1,575		14.03
Purchase of treasury stock	539,800	7,584		14.05
Balance outstanding at March 31, 2018	13,129,110	$	200,915	$	15.30