Equity-Based Compensation - Narrative (Details)				1 Months Ended	3 Months Ended		5 Months Ended	9 Months Ended		12 Months Ended
	Jun. 01, 2023 $ / shares	Dec. 01, 2022 $ / shares	Jul. 29, 2021 $ / shares	Feb. 28, 2021 tranche $ / shares	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2022 USD ($)	Dec. 31, 2021	Jan. 01, 2022 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, fair value (in usd per share) | $ / shares								$ 2.01
Share-based payment, expense					$ 4,793,000	$ 2,222,000		$ 12,592,000	$ 11,160,000
Class B Unit Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in usd per share) | $ / shares			$ 9.06
Incentive Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition								3 months 29 days
Incentive Units | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period							30 months			25 months
Cost not yet recognized, amount					1,382,000			$ 1,382,000
Incentive Units | Class B Unit Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incentive units participation threshold (in usd per share) | $ / shares				$ 1.00
Incentive units tranches | tranche				3
Incentive Units | Class B Unit Incentive Plan | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in usd per share) | $ / shares				$ 5.19
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period								10 years
Cost not yet recognized, period for recognition								2 years 5 months 8 days
Vesting period								4 years
Intrinsic value					0			$ 0
Unrecognized compensation costs					5,768,000			$ 5,768,000
Stock Options | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage								25.00%
Stock Options | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage for each quarter								6.25%
Stock Options | Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage for each quarter								6.25%
Stock Options | Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage for each quarter								6.25%
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in usd per share) | $ / shares								$ 2.07
Cost not yet recognized, amount					19,812,000			$ 19,812,000
Cost not yet recognized, period for recognition								2 years 8 months 26 days
Vesting period								4 years
Granted (in shares) | shares								8,472,437
Restricted Stock Units (RSUs) | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares								0
Restricted Stock Units (RSUs) | Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares								0
Restricted Stock Units (RSUs) | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage								25.00%
Restricted Stock Units (RSUs) | Tranche One | Non-employee Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period								1 year
Vesting rights, percentage								25.00%
Restricted Stock Units (RSUs) | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage for each quarter								6.25%
Restricted Stock Units (RSUs) | Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage for each quarter								6.25%
Restricted Stock Units (RSUs) | Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage for each quarter								6.25%
Discretionary Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares								182,482
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in usd per share) | $ / shares								$ 1.99
Cost not yet recognized, period for recognition								5 months 23 days
Unrecognized compensation costs					589,000			$ 589,000
Granted (in shares) | shares								1,590,088
Share-based payment, expense								$ 0
Performance Shares | Short-term Incentive Plan Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares								1,407,606
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition								2 months 1 day
Unrecognized compensation costs					372,000			$ 372,000
Employee Stock | 2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, fair value (in usd per share) | $ / shares	$ 1.23	$ 0.40
Shares reserved for ESPP (in shares) | shares											3,974,948
Shares issued in period (in shares) | shares								1,216,532
Withheld employee contributions					$ 503,000			$ 503,000