XML 46 R35.htm IDEA: XBRL DOCUMENT v3.22.2.2
Summary of Significant Accounting Policies - Restricted Stock Activity (Details) - $ / shares
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Shares    
Unvested, beginning of period (in shares) 140,577  
Unvested, end of period (in shares) 138,157  
Restricted Stock    
Shares    
Unvested, beginning of period (in shares) 140,577 155,945
Granted (in shares) 16,430 20,462
Vested (in shares) (15,920) (21,195)
Forfeited (in shares) (2,930) (5,450)
Unvested, end of period (in shares) 138,157 149,762
Weighted-Average Grant Date Fair Value    
Nonvested, beginning of period (in dollars per share) $ 48.57 $ 48.52
Granted (in dollars per share) 50.56 44.13
Vested (in dollars per share) 50.95 44.18
Forfeited (in dollars per share) 48.23 45.89
Nonvested, end of period (in dollars per share) $ 48.54 $ 48.63