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Basis of Presentation and Summary of Significant Accounting Policies - Carrying Amounts and Fair Values of Company's Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Money market funds | $ 84,828 | $ 135,235
Marketable securities – certificates of deposit | 1,000 |
Marketable securities – equity securities | 3,114 | 5,567
Total assets | 91,469 | 145,866
Total liabilities | 6,868 | 6,868
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 | 5,851
VOMG |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
APCMG contingent consideration | 17 | 17
Interest rate swaps |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 2,527 | 3,164
Contingent equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets |  | 1,900
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Money market funds | 84,828 | 135,235
Marketable securities – certificates of deposit | 1,000 |
Marketable securities – equity securities | 3,114 | 5,567
Total assets | 88,942 | 140,802
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 | 0
Level 1 | VOMG |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
APCMG contingent consideration | 0 | 0
Level 1 | Interest rate swaps |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Level 1 | Contingent equity securities |  |
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 |
Marketable securities – equity securities | 0 | 0
Total assets | 2,527 | 3,164
Total liabilities | 0 | 0
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 | 0
Level 2 | VOMG |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
APCMG contingent consideration | 0 | 0
Level 2 | Interest rate swaps |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 2,527 | 3,164
Level 2 | Contingent equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets |  | 0
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 |
Marketable securities – equity securities | 0 | 0
Total assets | 0 | 1,900
Total liabilities | 6,868 | 6,868
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 | 5,851
Level 3 | VOMG |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
APCMG contingent consideration | 17 | 17
Level 3 | Interest rate swaps |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | $ 0 | 0
Level 3 | Contingent equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets |  | $ 1,900

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