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STOCK AWARD PLANS (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation

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,
	2019				2018				2019				2018
Stock options	$	4,829			$	5,666			$	13,539			$	17,931
Stock awards	3,470				17,539				24,798				48,443
Company expense on ESPP discount	551				566				2,320				2,101
Total stock-based compensation expense	$	8,850			$	23,771			$	40,657			$	68,475

Schedule Employee Stock Purchase Plan Activity

The following is a summary of the employee stock purchase plan activity: 

Three Months Ended September 30, 2019
Shares purchased by employees			Aggregate cost to employees				Expense recognized by the company
45,098			$	3,121,126			$	550,787

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of employee stock purchase plan activity.

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