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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2023	Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		1,739,671
Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common units issued (shares)		176,000
Common unit, vested (shares)		88,000
Percentage of awards vesting on grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting		20.00%
Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting		20.00%
Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting		20.00%
Share-based Payment Arrangement, Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting		20.00%
Share-based Payment Arrangement, Tranche Five
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting		20.00%
Class A CMN Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)		9,000
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		5 years
1996 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance to directors and employees (in shares)		17,500,000
1996 Equity Incentive Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of awards of target number of share		0.00%
1996 Equity Incentive Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of awards of target number of share		100.00%
2019 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares reserved (in shares)	87,327	87,327
Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense related to performance based compensation agreements		$ 1,891
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration date of options granted under equity incentive plan		10 years
Compensation expense related to performance based compensation agreements		$ 101	$ 60
Restricted Stock | Percentage of awards vesting on grant date | Non-employee Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of awards vesting		50.00%
Restricted Stock | Share-based Payment Arrangement, Tranche Two | Non-employee Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		1 year
Percentage of awards vesting		50.00%
Performance Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense related to performance based compensation agreements		$ 4,590	$ 247

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