Revenues from Contracts with Customers - Schedule of Revenues from Contracts with Customers and Our Other Sources of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue
Revenues from contracts with customers:	$ 639,635	$ 527,326	$ 1,195,865	$ 977,469
Total	759,112	633,375	1,424,606	1,179,874
Leasing and Other Commissions
Disaggregation of Revenue
Revenues from contracts with customers:	237,262	208,557	445,336	367,356
Total	237,262	208,557	445,336	367,356
Investment sales
Disaggregation of Revenue
Revenues from contracts with customers:	106,623	91,731	199,481	162,554
Mortgage brokerage and debt placement
Disaggregation of Revenue
Revenues from contracts with customers:	65,137	28,260	102,323	55,360
Management Services
Disaggregation of Revenue
Revenues from contracts with customers:	230,613	198,778	448,725	392,199
Fair value of expected net future cash flows from servicing recognized at commitment, net
Disaggregation of Revenue
Other sources of revenue	24,747	23,395	46,150	39,539
Loan originations related fees and sales premiums, net
Disaggregation of Revenue
Other sources of revenue	26,946	18,654	49,026	35,353
Servicing fees and other
Disaggregation of Revenue
Other sources of revenue	$ 67,784	$ 64,000	$ 133,565	$ 127,513