Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Restricted Stock Award Activity (Details)

v3.21.2
Stock-Based Compensation - Restricted Stock Award Activity (Details)
9 Months Ended
Sep. 30, 2021
shares
Service-based  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning balance (in shares) 131,844
Granted (in shares) 28,814
Vested (in shares) (13,555)
Forfeited (in shares) (2,508)
Ending balance (in shares) 144,595
Performance-based  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning balance (in shares) 160,315
Granted (in shares) 0
Vested (in shares) 0
Forfeited (in shares) 0
Ending balance (in shares) 160,315
Total Stock Return (TSR)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning balance (in shares) 104,456
Granted (in shares) 0
Vested (in shares) 0
Forfeited (in shares) 0
Ending balance (in shares) 104,456