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
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue
Revenues from contracts with customers:	$ 718,058	$ 556,230
Total	846,519	665,494
Leasing and Other Commissions
Disaggregation of Revenue
Revenues from contracts with customers:	250,031	208,074
Total	250,031	208,074
Investment sales
Disaggregation of Revenue
Revenues from contracts with customers:	140,666	92,858
Mortgage brokerage and debt placement
Disaggregation of Revenue
Revenues from contracts with customers:	57,198	37,186
Management Services
Disaggregation of Revenue
Revenues from contracts with customers:	270,163	218,112
Fair value of expected net future cash flows from servicing recognized at commitment, net
Disaggregation of Revenue
Other sources of revenue	29,180	21,403
Loan originations related fees and sales premiums, net
Disaggregation of Revenue
Other sources of revenue	25,413	22,080
Servicing fees and other
Disaggregation of Revenue
Other sources of revenue	$ 73,868	$ 65,781