Quarterly report pursuant to Section 13 or 15(d)

Stock Incentive Plans - Employee Stock Purchase Plan (Details)

v3.21.2
Stock Incentive Plans - Employee Stock Purchase Plan (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Schedule of Employee Stock Purchase Plan (ESPP) Disclosures [Line Items]    
Share-based compensation expense for ESPP $ 8,179 $ 7,852
ESPP | Continuing Operations    
Schedule of Employee Stock Purchase Plan (ESPP) Disclosures [Line Items]    
Shares purchased by participants under the ESPP (in shares) 5 6
Average share price (in dollars per share) $ 68.76 $ 44.84
Weighted-average fair value of each purchase right under the ESPP granted (in dollars per share) $ 20.99 $ 4.98
Share-based compensation expense for ESPP $ 118 $ 30
ESPP | Discontinued Operations    
Schedule of Employee Stock Purchase Plan (ESPP) Disclosures [Line Items]    
Shares purchased by participants under the ESPP (in shares) 0 1
Average share price (in dollars per share) $ 0 $ 44.84
Weighted-average fair value of each purchase right under the ESPP granted (in dollars per share) $ 0 $ 4.98
Share-based compensation expense for ESPP $ 0 $ 3