Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Employee Benefit Plans

Schedule of expense recognized related to the 401(k) Plan

	For the Years Ended December 31,
Expense Recognized Related to the 401(k) Plan	2017		2016		2015
	(In thousands)
Total matching contributions, net of forfeitures	$	7,070	$	6,546	$	6,145
Discretionary stock contributions, net of forfeitures	$	27,969	$	23,158	$	25,261