Stock Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended			9 Months Ended
	Dec. 16, 2019	Jul. 23, 2019	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Dec. 31, 2019	Jun. 06, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)										7,949,996
Granted (in shares)	184,378	3,589,959					3,707,901
Grants in period (in dollars per share)	$ 4.59	$ 4.25
Granted (in dollars per share)	$ 17.00	$ 15.60					$ 15.60
Exercises in period (in shares)			0		0	0	0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)										2,271,427
Granted (in shares)	74,673	1,419,131		0			1,389,570
Granted (in dollars per share)	$ 17.00	$ 15.60		$ 0			$ 15.60
Stock based compensation			$ 1,400		$ 1,000	$ 4,200	$ 1,000
Non-vested restricted shares outstanding (in shares)			1,236,074	1,419,131	1,389,570	1,236,074	1,389,570	1,418,891	1,420,012		0
Non-vested restricted shares outstanding, amount			$ 15,500			$ 15,500
Period for recognition (in years)						3 years 3 months 18 days
Restricted Stock | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		3 years
Restricted Stock | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		5 years
Employee 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)	5 years	5 years
Stock based compensation			$ 808		$ 601	$ 2,400	$ 601
Non-vested restricted shares outstanding (in shares)			2,999,767			2,999,767
Non-vested restricted shares outstanding, amount			$ 12,100			$ 12,100
Period for recognition (in years)						8 years 9 months 18 days
Expiration period (in years)	10 years	10 years
Expected term	6 years 6 months	6 years 6 months
Risk free interest rate	1.79%	1.90%
Expected volatility rate	22.23%	22.12%
Expected dividend rate	0.00%	0.00%
Tranche One | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		1 year
Tranche One | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	1 year	1 year