Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Details 2)

v3.22.1
Share-Based Compensation (Details 2) - Stock Options [Member] - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of shares, Beginning balance 250,649  
Number of shares, Granted 0 0
Number of shares, Exercised 0 0
Number of shares, Ending balance 250,649 250,649
Number of shares, Exercisable 125,325  
Weighted average exercise price, Beginning of period $ 31.19  
Weighted average exercise price, Ending of period 31.19 $ 31.19
Weighted average exercise price, Exercisable $ 31.19  
Weighted average remaining contractual term 4 years 2 months 15 days 5 years 2 months 15 days
Weighted average remaining contractual term, Exercisable 4 years 2 months 15 days