Goodwill and Intangibles Assets - Schedule of Deferred Leasing Costs, Other Intangible Assets and Intangible Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 210,225	$ 170,007
Accumulated Amortization	(106,475)	(84,309)
Net Carrying Amount	103,750	85,698
Investment management contracts
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	150,835	126,868
Accumulated Amortization	(84,824)	(68,739)
Net Carrying Amount	66,011	58,129
Investor relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	53,572	37,321
Accumulated Amortization	(19,190)	(13,693)
Net Carrying Amount	34,382	23,628
Trade name | Investment Management
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	4,300	4,300
Accumulated Amortization	(1,907)	(1,476)
Net Carrying Amount	2,393	2,824
Other | Investment Management
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,518	1,518
Accumulated Amortization	(554)	(401)
Net Carrying Amount	$ 964	$ 1,117