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Debt Obligations - Senior Credit Facility (Details) $ in Thousands |  |  | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 13, 2021 USD ($) | Oct. 08, 2021 USD ($) | Sep. 30, 2021 USD ($) unit | Oct. 07, 2021 USD ($) | Dec. 31, 2020 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |
Amount borrowed under the credit facility |  |  | $ 415,851 |  | $ 148,508
Senior Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility available for revolving loans or issuing new letters of credit |  |  | 1,760,000 |  |
Senior Credit Facility | Canadian Dollars |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amount borrowed under the credit facility |  |  | 239,700 |  |
Senior Credit Facility | U.S. Dollar |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amount borrowed under the credit facility |  |  | 142,200 |  |
Senior Credit Facility | Australian Dollars |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amount borrowed under the credit facility |  |  | 34,000 |  |
Senior Credit Facility | Line of Credit |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amount borrowed under the credit facility |  |  | $ 415,900 |  |
Maximum consolidated leverage ratio |  |  | 3.5 |  |
Maximum consolidated leverage ratio, acquisition threshold |  |  | $ 200,000 |  |
Maximum consolidated leverage ratio in quarters where acquisition threshold is met |  |  | 4.0 |  |
Subsequent fiscal periods applying alternate ration due to acquisition threshold being met | unit |  |  | 4 |  |
Minimum consolidated interest coverage ratio |  |  | 3.0 |  |
Senior Credit Facility | Line of Credit | Payments Due First Business Day Of Quarter In 2025 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Quarterly principal payments |  |  | $ 9,400 |  |
Senior Credit Facility | Line of Credit | Payments Due First Business Day Of Quarter In 2026 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Quarterly principal payments |  |  | 18,800 |  |
Senior Credit Facility | Subsequent Event |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Cross default provisions with debt instruments exceeding this amount |  | $ 300,000 |  | $ 150,000 |
Senior Credit Facility | Subsequent Event | Line of Credit |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Borrowing capacity |  | 3,390,000 |  |  |
Senior Credit Facility | Subsequent Event | Line of Credit | Payments Due First Business Day Of Quarter In 2023 And 2024 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Quarterly principal payments |  | $ 4,700 |  |  |
Senior Credit Facility | Subsequent Event | Line of Credit | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Commitment fee |  | 0.10% |  |  |
Senior Credit Facility | Subsequent Event | Line of Credit | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Commitment fee |  | 0.275% |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Borrowing capacity |  | $ 2,640,000 |  | $ 2,510,000 |
Borrowed amount | $ 50,900 |  |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.125% |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.75% |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit | Alternative Currency Term Rate | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.125% |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit | Alternative Currency Term Rate | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.75% |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit | Base Rate | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 0.125% |  |  |
Senior Credit Facility | Revolving Credit Facility | Subsequent Event | Line of Credit | Base Rate | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 0.75% |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Borrowing capacity |  | $ 750,000 |  |  |
Borrowed amount | $ 750,000 |  |  |  |
Consolidated leverage ratio, cash and cash equivalents threshold |  | $ 25,000 |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.00% |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.00% |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 1.625% |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit | Base Rate | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 0.00% |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit | Base Rate | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 0.625% |  |  |
Senior Credit Facility | Delayed Draw Term Loan Facility | Subsequent Event | Line of Credit | Fed Funds Effective Rate Overnight Index Swap Rate |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument basis spread on variable rate |  | 0.50% |  |  |
Senior Credit Facility | Standby Letters of Credit | Subsequent Event | Line of Credit | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Letter of credit fee |  | 1.125% |  |  |
Senior Credit Facility | Standby Letters of Credit | Subsequent Event | Line of Credit | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Letter of credit fee |  | 1.75% |  |  |
Senior Credit Facility | Performance Letters of Credit | Subsequent Event | Line of Credit | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Letter of credit fee |  | 0.675% |  |  |
Senior Credit Facility | Performance Letters of Credit | Subsequent Event | Line of Credit | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Letter of credit fee |  | 1.125% |  |  |
Senior Credit Facility | Letters of Credit |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Letters of credit and bank guarantees |  |  | 333,900 |  |
Senior Credit Facility | Letters of Credit and Bank Guarantees | Canadian Dollars |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Letters of credit and bank guarantees |  |  | $ 92,800 |  |

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