Loans Receivable - Summary of Real Estate Loans Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023		Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses on real estate loans receivable	$ (53,929)	$ (194,463)		$ (191,764)	$ (164,249)
Real estate loans receivable, net of credit allowance	1,840,453	1,361,587	[1]
Non-real estate loans	274,814	503,993
Allowance for credit losses on non-real estate loans receivable	(27,396)	(173,874)
Non-real estate loans receivable, net of credit allowance	247,418	330,119
Total loans receivable, net of credit allowance	2,087,871	1,691,706
Mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Carrying Value	1,576,567	1,057,516
Other real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Carrying Value	290,419	324,660
Allowance for credit losses on real estate loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses on real estate loans receivable	$ (26,533)	$ (20,589)

[1] The consolidated balance sheet at December 31, 2023 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.