Employee Benefit Plans - Stock Based Compensation Narrative (Details) - USD ($) $ / shares in Units, $ in Millions					12 Months Ended
	Mar. 22, 2021	Dec. 14, 2020	Dec. 16, 2019	Jul. 23, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 06, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)								7,949,996
Grants in period (in shares)	109,654		184,378	3,707,901	109,654
Grants in period (in dollars per share)	$ 4.91		$ 4.59	$ 4.25
Grants in period (in dollars per share)	$ 17.86		$ 17.00	$ 15.60	$ 17.86
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)								2,271,427
Equity instruments other than options, grants in period (in shares)	50,203	33,160	74,673	1,389,570	50,203	33,160
Equity instruments other than options, grants in period (in dollars per share)	$ 17.86	$ 15.08	$ 17.00	$ 15.60	$ 17.86	$ 15.08
Share-based payment expense					$ 5.7	$ 5.6	$ 2.3
Equity instrument other than options, nonvested (in shares)					1,054,335	1,263,169	1,420,012
Nonvested award, excluding option, cost not yet recognized					$ 8.7
Cost not yet recognized, period for recognition					1 year 10 months 24 days
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)								5,678,569
Award vesting period (in years)	3 years		5 years	5 years
Share-based payment expense					$ 3.2	$ 3.2	$ 1.4
Equity instrument other than options, nonvested (in shares)					2,210,231
Nonvested award, excluding option, cost not yet recognized					$ 8.1
Cost not yet recognized, period for recognition					2 years 7 months 6 days
Expiration period (in years)	10 years		10 years	10 years
Expected term	6 years		6 years 6 months	6 years 6 months
Risk free interest rate	1.11%		1.79%	1.90%
Expected volatility rate	25.98%		22.23%	22.12%
Expected dividend rate	0.00%		0.00%	0.00%
Minimum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)					1 year
Maximum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)					5 years
Share-based Payment Arrangement, Tranche One | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)					1 year
Share-based Payment Arrangement, Tranche One | Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	1 year		1 year	1 year