Basis of Presentation and Summary of Significant Accounting Policies - Carrying Amounts and Fair Values of Company's Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market accounts	$ 135,235	$ 114,665
Marketable securities – certificates of deposit		25,024
Marketable securities – equity securities	5,567	28,393
Total assets	145,866	173,497
Total liabilities	6,868	2,071
APCMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	1,000	1,000
AAMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	5,851
VOMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	17
Contingent equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1,900	4,270
Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,164
Interest rate swaps		1,071
Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		1,145
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market accounts	135,235	114,665
Marketable securities – certificates of deposit		25,024
Marketable securities – equity securities	5,567	24,123
Total assets	140,802	163,812
Total liabilities	0	0
Level 1 | APCMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	0	0
Level 1 | AAMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	0
Level 1 | VOMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	0
Level 1 | Contingent equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Level 1 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0
Interest rate swaps		0
Level 1 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market accounts	0	0
Marketable securities – certificates of deposit		0
Marketable securities – equity securities	0	4,270
Total assets	3,164	5,415
Total liabilities	0	1,071
Level 2 | APCMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	0	0
Level 2 | AAMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	0
Level 2 | VOMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	0
Level 2 | Contingent equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Level 2 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,164
Interest rate swaps		1,071
Level 2 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		1,145
Interest rate swaps		1,100
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market accounts	0	0
Marketable securities – certificates of deposit		0
Marketable securities – equity securities	0	0
Total assets	1,900	4,270
Total liabilities	6,868	1,000
Level 3 | APCMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	1,000	1,000
Level 3 | AAMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	5,851
Level 3 | VOMG
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
APCMG contingent consideration	17
Level 3 | Contingent equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1,900	4,270
Level 3 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 0
Interest rate swaps		0
Level 3 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		$ 0