Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Summary of Status of Company's Stock Option Activity (Details)

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Employee Benefit Plans - Summary of Status of Company's Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Shares    
Outstanding at the beginning (in shares) 1,707,008 1,806,508
Exercisable (in shares) 1,443,675  
Vested (in shares) 594,402  
Stock options, granted 0 0
Exercised (in shares) (1,039,058) (18,000)
Cancelled, expired or forfeited (in shares) (10,000) (81,500)
Outstanding at the ending (in shares) 1,252,352 1,707,008
Exercisable (in shares) 1,126,685 1,443,675
Weighted average exercise price    
Outstanding at the beginning (in dollars per share) $ 3.37 $ 3.37
Exercisable (in dollars per share) 3.57  
Granted (in dollars per share) 3.09 0
Exercised (in dollars per share) 3.23 2.13
Cancelled, expired or forfeited (in dollars per share) 2.13 3.75
Outstanding at the ending (in dollars per share) 3.36 3.37
Exercisable (in dollars per share) $ 3.48 $ 3.57
Weighted average remaining contractual life (Years)    
Weighted average remaining contractual life 3 years 11 months 1 day 4 years 11 months 23 days
Exercisable weighted average remaining contractual life 3 years 8 months 19 days 4 years 8 months 4 days
Intrinsic value    
Intrinsic Value Outstanding $ 11,581 $ 1,454
Intrinsic Value Exercisable $ 10,283 $ 1,112