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Share-based Compensation - Stock Option Activity (Details)
 9 Months Ended
Sep. 30, 2025
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]  
Options outstanding at beginning of year | shares 27,289
Granted | shares 10,667
Exercised | shares 0
Forfeited prior to vesting | shares 0
Canceled or expired | shares (1,946)
Options outstanding at end of year | shares 36,010
Options exercisable at end of year | shares 22,213
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Options outstanding at beginning of year | $ / shares $ 66.34
Granted | $ / shares 7.35
Exercised | $ / shares 0
Forfeited prior to vesting | $ / shares 0
Canceled or expired | $ / shares 192.73
Options outstanding at end of year | $ / shares 42.03
Options exercisable at end of year | $ / shares $ 62.48