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Fair Value Measurements - Schedule of assets and liabilities which are measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Total | $ 158,322 | $ 243,443
Liabilities: |  |
Debt | 628,177 | 533,168
Warrant liabilities | 17 | 256
Fair value of obligation to issue shares of common stock to sellers of World Energy |  | 151
Total | 628,194 | 533,575
Money Market Funds |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 21,475 | 164
US Treasury Securities |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 108,964 | 211,027
Interest rate swaps |  |
Assets |  |
Interest rate swaps | 27,883 | 32,252
Level I |  |
Assets |  |
Total | 130,439 | 211,191
Liabilities: |  |
Debt | 0 | 0
Warrant liabilities | 0 | 0
Fair value of obligation to issue shares of common stock to sellers of World Energy |  | 0
Total | 0 | 0
Level I | Money Market Funds |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 21,475 | 164
Level I | US Treasury Securities |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 108,964 | 211,027
Level I | Interest rate swaps |  |
Assets |  |
Interest rate swaps | 0 | 0
Level II |  |
Assets |  |
Total | 27,883 | 32,252
Liabilities: |  |
Debt | 628,177 | 533,168
Warrant liabilities | 0 | 0
Fair value of obligation to issue shares of common stock to sellers of World Energy |  | 0
Total | 628,177 | 533,168
Level II | Money Market Funds |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 0 | 0
Level II | US Treasury Securities |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 0 | 0
Level II | Interest rate swaps |  |
Assets |  |
Interest rate swaps | 27,883 | 32,252
Level III |  |
Assets |  |
Total | 0 | 0
Liabilities: |  |
Debt | 0 | 0
Warrant liabilities | 17 | 256
Fair value of obligation to issue shares of common stock to sellers of World Energy |  | 151
Total | 17 | 407
Level III | Money Market Funds |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 0 | 0
Level III | US Treasury Securities |  |
Assets |  |
Cash and cash equivalents, fair value disclosure | 0 | 0
Level III | Interest rate swaps |  |
Assets |  |
Interest rate swaps | $ 0 | $ 0

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