Goodwill and Intangibles - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 17,380	$ 17,350
Total Finite-lived intangible assets, gross carrying amount	180,306	165,316
Intangible assets, accumulated amortization	(61,380)	(38,928)
Total amortization	118,926	126,388
Total intangible assets, gross carrying amount	197,686	182,666
Intangible Assets, Net (Excluding Goodwill), Total	136,306	143,738
Trade Name
Indefinite-lived Intangible Assets [Line Items]
Total Finite-lived intangible assets, gross carrying amount	21,500	17,360
Intangible assets, accumulated amortization	(1,392)	(368)
Total amortization	20,108	16,992
Management and Advisory Contracts
Indefinite-lived Intangible Assets [Line Items]
Total Finite-lived intangible assets, gross carrying amount	150,646	139,796
Intangible assets, accumulated amortization	(53,866)	(33,967)
Total amortization	96,780	105,829
Technology
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	30
Total Finite-lived intangible assets, gross carrying amount	8,160	8,160
Intangible assets, accumulated amortization	(6,122)	(4,593)
Total amortization	2,038	3,567
Trade names
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 17,350	$ 17,350