Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

Stock-based compensation expense consisted of the following:

	Three Months Ended March 31,
(in thousands)	2020		2019
Stock options	$	1,704	$	1,489
Restricted stock units	1,971		2,726
Total	$	3,675	$	4,215

Stock Options

During the three months ended March 31, 2020, the Company granted a total of 640,219 stock options at a weighted average grant date fair value of $14.36. As of March 31, 2020, unrecognized costs related to outstanding stock options totaled $16.4 million, before any related tax benefit. As of March 31, 2020, unrecognized costs related to stock options are expected to be recognized over a weighted average period of 3.03 years.

Restricted Stock Units

During the three months ended March 31, 2020, the Company granted 201,349 restricted stock units at an estimated average grant date fair value of $79.51. As of March 31, 2020, unrecognized costs related to outstanding restricted stock units totaled $27.3 million, before any related tax benefit. As of March 31, 2020, unrecognized costs related to restricted stock units are expected to be recognized over a weighted average period of 2.81 years.