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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

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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