STOCK AWARD PLANS (Tables)

9 Months Ended

Sep. 30, 2016

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

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

A summary of our total compensation expense recognized in our condensed consolidated statements of operations and comprehensive income for stock-based compensation is as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Stock options	$	603	$	3,100	$	5,818	$	10,973
Stock awards	3,747		8,919		22,770		30,655
Company expense on ESPP discount	491		474		2,038		1,884
Total stock-based compensation expense	$	4,841	$	12,493	$	30,626	$	43,512

Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity

The following is a summary of the employee stock purchase plan activity (dollar amounts in thousands):

Three Months Ended September 30, 2016
Shares purchased by employees	Aggregate cost to employees		Expense recognized by the company
46,445	$	2,782	$	491