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Fair Value Measurements and Fair Value of Financial Instruments - Carrying Value and Fair Value of Debt Obligations (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Carrying Value |  |
Debt Obligations: |  |
Debt obligations | $ 127,535 | $ 199,221
Carrying Value | Revolving credit facility |  |
Debt Obligations: |  |
Debt obligations | 115,494 | 186,131
Carrying Value | Senior promissory notes |  |
Debt Obligations: |  |
Debt obligations | 10,000 | 10,000
Carrying Value | Other |  |
Debt Obligations: |  |
Debt obligations | 2,041 | 3,090
Fair Value |  |
Debt Obligations: |  |
Debt obligations | 127,323 | 198,994
Fair Value | Revolving credit facility |  |
Debt Obligations: |  |
Debt obligations | 115,494 | 186,131
Fair Value | Senior promissory notes |  |
Debt Obligations: |  |
Debt obligations | 9,788 | 9,773
Fair Value | Other |  |
Debt Obligations: |  |
Debt obligations | $ 2,041 | $ 3,090

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