Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation and Other Employee Benefits - Forth Additional Plans (Details)

v3.20.4
Stock-Based Compensation and Other Employee Benefits - Forth Additional Plans (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement [Abstract]      
Aggregate intrinsic value of options exercised $ 19,762 $ 7,154 $ 5,588
Cash received from stock option exercises $ 8,995 $ 6,742 $ 6,696
Weighted-average fair value of stock options granted (in usd per share) $ 11.52 $ 6.33 $ 5.20
Stock-based compensation expense $ 1,933 $ 1,620 $ 1,258