XML 117 R106.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation - Information about Options Exercised (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Activity [Abstract]          
Options exercised 10,000   10,000 10,000 10,000
Total intrinsic value of exercised options       $ 288 $ 347
Tax benefits realized   $ (3)   $ 71 $ 85