XML 72 R59.htm IDEA: XBRL DOCUMENT v3.22.1
Stock incentive plans, Share-based compensation expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based compensation [Abstract]    
Income tax benefit from share-based compensation expense $ 265 $ 193
General and Administrative Expense [Member]    
Share-based compensation [Abstract]    
Share-based compensation expense $ 1,200 $ 900