Employee Benefits and Stock Compensation - Summary of Information Related to Stock Options (Details)	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares) | shares	839,884
Remaining Contractual Life (Years)	5 years 3 months 18 days
Options exercisable (in shares) | shares	770,615
Weighted average exercise price (in dollars per share)	$ 22.20
$10.54 to $14.82
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares) | shares	311,658
Remaining Contractual Life (Years)	3 years 1 month 6 days
Options exercisable (in shares) | shares	311,658
Weighted average exercise price (in dollars per share)	$ 12.77
Range of exercise prices, lower limit (in dollars per share)	10.54
Range of exercise prices, upper limit (in dollars per share)	$ 14.82
$15.99 to $28.69
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares) | shares	320,388
Remaining Contractual Life (Years)	6 years 1 month 6 days
Options exercisable (in shares) | shares	320,388
Weighted average exercise price (in dollars per share)	$ 27.51
Range of exercise prices, lower limit (in dollars per share)	15.99
Range of exercise prices, upper limit (in dollars per share)	$ 28.69
$31.15 to $31.15
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares) | shares	207,838
Remaining Contractual Life (Years)	7 years 3 months 18 days
Options exercisable (in shares) | shares	138,569
Weighted average exercise price (in dollars per share)	$ 31.15
Range of exercise prices, lower limit (in dollars per share)	31.15
Range of exercise prices, upper limit (in dollars per share)	$ 31.15