Acquisitions and Dispositions (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Apr. 05, 2023	Feb. 01, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Assets			$ 0		$ 0		$ 35,538
Gain on disposition of property			$ 13,565	$ 27,170	29,261	$ 27,170
500 Mamaroneck Avenue | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Assets							$ 53,000
Gain on disposition of property	$ 13,600
Estimated post-closing obligations					$ 2,000
69-97 and 103-107 Main Street | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Assets		$ 40,000
Gain on disposition of property		$ 15,700