Employee Benefits and Stock Compensation - Summary of Information Related to Stock Options (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares) | shares	903,779
Remaining Contractual Life (Years)	6 years 1 month 6 days
Options exercisable (in shares) | shares	633,561
Weighted average exercise price (in dollars per share)	$ 19.82
$10.54 to $14.82
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares) | shares	368,611
Remaining Contractual Life (Years)	4 years 2 months 12 days
Options exercisable (in shares) | shares	334,016
Weighted average exercise price (in dollars per share)	$ 12.42
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	326,909
Remaining Contractual Life (Years)	7 years 1 month 6 days
Options exercisable (in shares) | shares	229,824
Weighted average exercise price (in dollars per share)	$ 27.16
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	208,259
Remaining Contractual Life (Years)	8 years 2 months 12 days
Options exercisable (in shares) | shares	69,721
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