Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Unamortizable intangible assets:
Indefinite-Lived Intangible Assets, Net Carrying Value	$ 371,820	$ 392,377
Amortizable intangible assets:
Gross Carrying Amount	3,736,611	3,742,330
Accumulated Amortization	(1,915,725)	(1,725,280)
Gross Carrying Amount, Total intangible assets	4,108,431	4,134,707
Management contracts
Unamortizable intangible assets:
Indefinite-Lived Intangible Assets, Net Carrying Value	60,176	63,153
Trademark
Unamortizable intangible assets:
Indefinite-Lived Intangible Assets, Net Carrying Value	311,644	329,224
Customer relationships
Amortizable intangible assets:
Gross Carrying Amount	1,637,237	1,612,308
Accumulated Amortization	(774,385)	(667,668)
Mortgage servicing rights
Amortizable intangible assets:
Gross Carrying Amount	1,029,540	1,005,357
Accumulated Amortization	(468,901)	(426,841)
Trademarks/Trade names
Amortizable intangible assets:
Gross Carrying Amount	305,486	350,548
Accumulated Amortization	(129,244)	(126,468)
Management contracts
Amortizable intangible assets:
Gross Carrying Amount	148,890	151,912
Accumulated Amortization	(145,650)	(137,906)
Covenant not to compete
Amortizable intangible assets:
Gross Carrying Amount	3,720	73,750
Accumulated Amortization	(811)	(73,750)
Other
Amortizable intangible assets:
Gross Carrying Amount	611,738	548,455
Accumulated Amortization	$ (396,734)	$ (292,647)

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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