Basis of Presentation and Summary of Significant Accounting Policies - Carrying Amounts and Fair Values of Company's Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 50,987	$ 114,665
Marketable securities – certificates of deposit	25,128	25,024
Equity securities	8,153	28,393
Total assets	88,999	173,497
Interest rate swaps		1,071
APCMG contingent consideration	500	1,000
Total liabilities	500	2,071
Contingent Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1,500	4,270
Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		1,145
Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,231
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	50,987	114,665
Marketable securities – certificates of deposit	25,128	25,024
Equity securities	8,153	24,123
Total assets	84,268	163,812
Interest rate swaps		0
APCMG contingent consideration	0	0
Total liabilities	0	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 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		0
Level 1 | Interest rate swap
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 funds	0	0
Marketable securities – certificates of deposit	0	0
Equity securities	0	4,270
Total assets	3,231	5,415
Interest rate swaps		1,071
APCMG contingent consideration	0	0
Total liabilities	0	1,071
Level 2 | Contingent Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Level 2 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		1,145
Level 2 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,231
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Marketable securities – certificates of deposit	0	0
Equity securities	0	0
Total assets	1,500	4,270
Interest rate swaps		0
APCMG contingent consideration	500	1,000
Total liabilities	500	1,000
Level 3 | Contingent Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1,500	4,270
Level 3 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		$ 0
Level 3 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 0