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Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | $ 5,236,302 | $ 4,959,658
Reallocation | 0 |
Acquisitions | 705,146 | 276,340
Other | 1,955 | 304
Goodwill, ending balance | 5,943,403 | 5,236,302
Solar |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 5,236,302 | 4,959,658
Reallocation | (5,236,302) |
Acquisitions | 0 | 276,340
Other | 0 | 304
Goodwill, ending balance | 694,726 | 5,236,302
Solar | Scenario, Adjustment |  |
Goodwill [Roll Forward] |  |
Goodwill, ending balance | 0 |
CSB |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 0 | 0
Reallocation | 4,915,857 |
Acquisitions | 0 | 0
Other | (25) | 0
Goodwill, ending balance | 4,915,832 | 0
Commercial |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 0 | 0
Reallocation | 320,445 |
Acquisitions | 10,420 | 0
Other | 1,980 | 0
Goodwill, ending balance | 332,845 | 0
Solar |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 0 | 0
Reallocation | 0 |
Acquisitions | 694,726 | 0
Other | 0 | 0
Goodwill, ending balance | $ 694,726 | $ 0

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