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v3.21.2

Fair Value - Assets and Liabilities Measured at Fair Value and Related Hierarchy Levels (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financial Assets: |  |
Total investment securities | $ 36,855 | $ 37,273
Prepaid expenses and other current assets |  |
Financial Assets: |  |
Executive deferred compensation plan trust | 1,500 | 900
Other assets |  |
Financial Assets: |  |
Executive deferred compensation plan trust | 9,300 | 8,700
Interest Rate Swaps |  |
Financial Assets: |  |
Interest rate swaps | 7,400 |
Interest Rate Swaps | Other current liabilities |  |
Liabilities |  |
Interest rate swaps | 24,300 | 22,000
Interest Rate Swaps | Other Liabilities |  |
Liabilities |  |
Interest rate swaps | 8,100 | 22,900
Level 1 |  |
Financial Assets: |  |
Executive deferred compensation plan trust | 10,851 | 9,586
Level 1 | Money market funds |  |
Financial Assets: |  |
Money market funds | 0 | 335,449
Level 1 | Fixed-income mutual fund |  |
Financial Assets: |  |
Total investment securities | 27,440 | 27,728
Level 2 | Municipal bonds |  |
Financial Assets: |  |
Total investment securities | 109 | 197
Level 2 | Asset-backed securities |  |
Financial Assets: |  |
Total investment securities | 177 | 210
Level 2 | Mortgage-backed securities |  |
Financial Assets: |  |
Total investment securities | 129 | 138
Level 2 | Interest Rate Swaps |  |
Financial Assets: |  |
Interest rate swaps | 7,449 | 0
Liabilities |  |
Interest rate swaps | 32,379 | 44,938
Level 3 | Contingent consideration derivative |  |
Liabilities |  |
Interest rate swaps | 72,100 | 0
Net Asset Value | Pooled investment fund measured at NAV |  |
Financial Assets: |  |
Total investment securities | $ 9,000 | $ 9,000

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