Employee Benefits and Stock Compensation - Summary of Stock Options Outstanding and Exercisable (Details) - Stock options $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Options
Options, outstanding at beginning of period (in shares) | shares	903,779
Options granted (in shares) | shares	0
Options, exercised (in shares) | shares	(62,206)
Options, forfeited (in shares) | shares	(1,689)
Options, outstanding at end of period (in shares) | shares	839,884
Options, exercisable at end of period (in shares) | shares	770,615
Weighted-Average Exercise Price
Weighted-average exercise price at beginning of period (in dollars per share) | $ / shares	$ 22.22
Weighted-average exercise price, granted (in dollars per share) | $ / shares	0
Weighted-average exercise price, exercised (in dollars per share) | $ / shares	12.31
Weighted-average exercise price, forfeited (in dollars per share) | $ / shares	29.30
Weighted-average exercise price at end of period (in dollars per share) | $ / shares	22.94
Weighted-average exercise price, exercisable at end of period (in dollars per share) | $ / shares	$ 22.20
Weighted- Average Remaining Contractual Term and Aggregate Intrinsic Value
Weighted-average remaining contractual term, outstanding	5 years 3 months 14 days
Weighted-average remaining contractual term, exercisable	5 years 1 month 13 days
Aggregate intrinsic value, outstanding | $	$ 5,822
Aggregate intrinsic value, exercisable | $	$ 5,822