Commitments and Contingencies - Contractual Obligations (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Fashion District Philadelphia
Other Commitments [Line Items]
Unaccrued contractual obligation and other commitments	$ 1.0
Percentage of contractual obligation	100.00%
PM Gallery LP | Fashion District Philadelphia
Other Commitments [Line Items]
Ownership percentage	50.00%
Construction in Progress
Other Commitments [Line Items]
Unaccrued contractual obligation and other commitments	$ 3.7