XML 99 R75.htm IDEA: XBRL DOCUMENT

Stock Plans and Stock-Based Compensation - Schedule of Vested and Nonvested Stock Option Activity (Details)	3 Months Ended
	Mar. 31, 2020 $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options outstanding, Vested \| shares	176,160
Weighted average exercise price, Vested \| $ / shares	$ 19.21
Options outstanding, Nonvested \| shares	418,601
Weighted average exercise price, Nonvested \| $ / shares	$ 30.46