Employee Benefit Plans - Stock Transactions - Stock Options Outstanding And Exercisable (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Options outstanding (in shares) | shares	688,533
Options outstanding, Weighted average remaining contractual life (in years)	6 years 7 months 6 days
Options outstanding, Weighted average exercise price (in dollars per share)	$ 17.56
Options exercisable (in shares) | shares	471,214
Options exercisable, Weighted average exercise price (in dollars per share)	$ 16.53
$6.01 - $12.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, lower	6.01
Range of exercise prices, upper	$ 12.00
Options outstanding (in shares) | shares	135,800
Options outstanding, Weighted average remaining contractual life (in years)	3 years 4 months 24 days
Options outstanding, Weighted average exercise price (in dollars per share)	$ 8.85
Options exercisable (in shares) | shares	135,800
Options exercisable, Weighted average exercise price (in dollars per share)	$ 8.85
$12.01 - $18.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, lower	12.01
Range of exercise prices, upper	$ 18.00
Options outstanding (in shares) | shares	123,933
Options outstanding, Weighted average remaining contractual life (in years)	7 years 2 months 12 days
Options outstanding, Weighted average exercise price (in dollars per share)	$ 16.48
Options exercisable (in shares) | shares	60,601
Options exercisable, Weighted average exercise price (in dollars per share)	$ 15.85
$18.01 - $24.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, lower	18.01
Range of exercise prices, upper	$ 24.00
Options outstanding (in shares) | shares	428,800
Options outstanding, Weighted average remaining contractual life (in years)	7 years 6 months
Options outstanding, Weighted average exercise price (in dollars per share)	$ 20.62
Options exercisable (in shares) | shares	274,813
Options exercisable, Weighted average exercise price (in dollars per share)	$ 20.48