Segment Reporting (Reconciliation To Net Income Attributable To Common Shareholders) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Segment operating income (loss)	$ (6,891)	$ (7,531)
Depreciation and amortization expense	(3,375)	(4,205)
General and administrative expense	(5,153)	(5,423)
Equity earnings of unconsolidated joint ventures	23	(25)
Gain (loss) on sale of assets	6,526	(1,125)
Other (expense) income	(331)	341
Income (loss) before income taxes	(5,415)	(13,626)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment operating income (loss)	(2,881)	(3,275)
Depreciation and amortization expense	(3,243)	(4,104)
General and administrative expense	(1,275)	(1,268)
Unallocated Corporate Expense [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization expense	(133)	(102)
General and administrative expense	(3,877)	(4,154)
Interest expense, net	(4,742)	(5,286)
Equity earnings of unconsolidated joint ventures	23	(25)
Gain (loss) on sale of assets	6,526	(1,125)
Other (expense) income	(331)	341
Income (loss) before income taxes	$ (5,415)	$ (13,626)