XML 65 R56.htm IDEA: XBRL DOCUMENT v3.23.2
Stock-based Compensation - Stock Option Activity (Detail)
6 Months Ended
Jun. 30, 2023
$ / shares
shares
Shares  
Outstanding Shares at beginning of period | shares 2,905,150
Exercised | shares 0
Expired | shares (662,500)
Outstanding Shares at end of period | shares 2,242,650
Exercisable at end of year | shares 2,242,650
Weighted Average Exercise Price Per Share  
Outstanding at beginning of period | $ / shares $ 22.19
Exercised | $ / shares 0
Expired | $ / shares 22.70
Outstanding at end of period | $ / shares 22.04
Exercisable at end of year | $ / shares $ 22.04