Revenues from Contracts with Customers - Schedule of Revenues from Contracts with Customers and Our Other Sources of Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue
Revenues from contracts with customers:	$ 2,272,989	$ 2,072,839	$ 2,304,500
Total	2,738,502	2,470,368	2,705,527
Leasing and other commissions
Disaggregation of Revenue
Revenues from contracts with customers:	857,617	839,595	831,874
Total	857,617	839,595	831,874
Investment sales
Disaggregation of Revenue
Revenues from contracts with customers:	417,684	381,276	606,416
Mortgage brokerage and debt placement
Disaggregation of Revenue
Revenues from contracts with customers:	164,686	126,934	173,253
Management services
Disaggregation of Revenue
Revenues from contracts with customers:	833,002	725,034	692,957
Management services | Revision of Prior Period, Adjustment
Disaggregation of Revenue
Revenues from contracts with customers:		(8,600)
Fair value of expected net future cash flows from servicing recognized at commitment, net
Disaggregation of Revenue
Other sources of revenue	100,171	82,082	109,926
Loan originations related fees and sales premiums, net
Disaggregation of Revenue
Other sources of revenue	91,645	69,604	74,573
Servicing fees and other
Disaggregation of Revenue
Other sources of revenue	$ 273,697	245,843	$ 216,528
Servicing fees and other | Revision of Prior Period, Adjustment
Disaggregation of Revenue
Other sources of revenue		$ 8,600