Corporate Indebtedness - Senior Unsecured Notes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Debt disclosures by scheduled maturity date
Deferred financing costs, net	$ (8,399)	$ (5,537)
Senior notes, net of deferred finance costs	99,692	899,308
Senior unsecured notes
Debt disclosures by scheduled maturity date
Unpaid Principal Balance	100,000
Accreted Balance	100,000	900,915
Deferred financing costs, net	(308)	(1,607)
Senior notes, net of deferred finance costs	99,692	899,308
Senior unsecured notes | 3.25% Senior unsecured notes maturing October 2022
Debt disclosures by scheduled maturity date
Unpaid Principal Balance	0
Accreted Balance	$ 0	499,913
Coupon Rate (as a percent)	3.25%
Initial Term (in Years)	5 years
Senior unsecured notes | 4.50% Senior unsecured notes maturing on December 1, 2022
Debt disclosures by scheduled maturity date
Unpaid Principal Balance	$ 0
Accreted Balance	$ 0	301,002
Coupon Rate (as a percent)	4.50%
Initial Term (in Years)	10 years
Senior unsecured notes | 4.27% Senior unsecured notes maturing on December 17, 2025
Debt disclosures by scheduled maturity date
Unpaid Principal Balance	$ 100,000
Accreted Balance	$ 100,000	$ 100,000
Coupon Rate (as a percent)	4.27%
Initial Term (in Years)	10 years