Employee Benefits - Summary of Share-Based Compensation Expense Under the 2014 Omnibus Incentive Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 13,752	$ 10,826	$ 8,727
2014 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	13,752	10,826	8,727
2014 Omnibus Incentive Plan | Common Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	5,285	4,116	4,242
2014 Omnibus Incentive Plan | Common Stock Awards | Non-Employee Common Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	465	333	359
2014 Omnibus Incentive Plan | Performance-Based Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	4,528	3,869	3,034
2014 Omnibus Incentive Plan | Liability Performance-Based Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	2,612	1,969	432
2014 Omnibus Incentive Plan | Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 862	$ 539	$ 660