Segment Reporting (Reconciliation To Net Income Attributable To Common Shareholders) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Segment operating income (loss)	$ 2,891	$ (7,692)	$ (4,001)	$ (15,222)
Depreciation and amortization expense	(3,380)	(4,011)	(6,756)	(8,216)
General and administrative expense	(5,384)	(5,271)	(10,537)	(10,693)
Equity earnings of unconsolidated joint ventures	285	119	308	94
Gain (loss) on sale of assets	1,872	9	8,398	(1,116)
Other (expense) income	(2,273)	(216)	(2,607)	123
Income (loss) before income taxes	(1,579)	(13,157)	(6,998)	(26,783)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment operating income (loss)	6,932	(3,663)	4,053	(6,938)
Depreciation and amortization expense	(3,297)	(3,912)	(6,538)	(8,015)
General and administrative expense	(1,426)	(1,341)	(2,701)	(2,611)
Unallocated Corporate Expense [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization expense	(84)	(100)	(219)	(201)
General and administrative expense	(3,957)	(3,929)	(7,835)	(8,083)
Interest expense, net	(4,354)	(5,377)	(9,096)	(10,662)
Equity earnings of unconsolidated joint ventures	285	119	308	94
Gain (loss) on sale of assets	1,872	9	8,398	(1,116)
Other (expense) income	(2,273)	(216)	(2,607)	123
Income (loss) before income taxes	$ (1,579)	$ (13,157)	$ (6,998)	$ (26,783)