Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Treasury Stock Activity

The following represents the activity relating to the treasury stock held by the Company during the year endedDecember 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 Plans or other similar transactions	803,236	12,136		15.11
Shares of stock received in respect of indemnification claims	236,173	3,398		14.39
Purchase of treasury stock	2,164,186	31,762		14.68
Balance outstanding at December 31, 2018	15,336,871	$	234,142	$	15.27