Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	949,126	654,284
Share-based payment arrangement, expense		$ 6.9
Unrecognized compensation expense related to unvested stock options	$ 3.0
Unrecognized compensation expense related to unvested stock options weighted-average period	3 years 1 month 6 days
Weighted average grant date fair value (in dollars per share)	$ 2.95	$ 6.70
Options vested in period, fair value	$ 1.4	$ 0.1
Granted (in shares)	0	288,444
Compensation expense related to forfeitures	$ 2.7
Unrecognized compensation expense related to unvested common units	$ 0.8
Unrecognized compensation expense related to unvested common units weighted-average period	1 year 10 months 24 days
Employer matching contribution, percent	3.00%
Defined contribution plan, percent of match	50.00%
Employer matching contribution, annual vesting percentage	33.00%
Term of service required for full vesting	3 years
Employer safe harbor matching contribution, percent	100.00%
Defined contribution plan, cost	$ 0.5	$ 0.3
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	6 months	0 years
Employer matching contribution, percent	3.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years	10 years
Employer matching contribution, percent	5.00%
IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, net (in shares)	949,126	654,284
IPO \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in dollars per share)	$ 2.00	$ 6.42
IPO \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in dollars per share)	$ 6.14	$ 17.00
Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	5,000,000
Employee Stock \| Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 1.6	$ 1.1
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	1.9
Compensation expense related to Common Units	$ 0.8
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	15,000

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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