XML 85 R74.htm IDEA: XBRL DOCUMENT

Stock Plans and Stock-Based Compensation - Schedule of Vested and Nonvested Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options outstanding, Vested \| shares	155,028
Weighted average exercise price, Vested \| $ / shares	$ 21.06
Options outstanding, Nonvested \| shares	282,116
Weighted average exercise price, Nonvested \| $ / shares	$ 31.47