Segment Reporting (Reconciliation To Net Income Attributable To Common Shareholders) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Segment operating income (loss)	$ (329)	$ (343)	$ (4,331)	$ (15,562)
Depreciation and amortization expense	(3,236)	(3,926)	(9,992)	(12,142)
General and administrative expense	(4,658)	(4,933)	(15,194)	(15,626)
Equity earnings (loss) of unconsolidated joint ventures	121	71	428	164
Gain (loss) on sale of assets	(66)	(208)	8,332	(1,324)
Other (expense) income	462	(714)	(2,145)	(593)
Income (loss) before income taxes	(3,986)	(6,439)	(10,986)	(33,222)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment operating income (loss)	3,143	3,609	7,193	(3,329)
Depreciation and amortization expense	(3,160)	(3,818)	(9,699)	(11,837)
General and administrative expense	(1,262)	(1,089)	(3,963)	(3,698)
Unallocated Corporate Expense [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization expense	(75)	(106)	(293)	(305)
General and administrative expense	(3,397)	(3,846)	(11,231)	(11,928)
Interest expense, net	(4,174)	(5,245)	(13,270)	(15,907)
Equity earnings (loss) of unconsolidated joint ventures	121	71	428	164
Gain (loss) on sale of assets	(66)	(208)	8,332	(1,324)
Other (expense) income	462	(714)	(2,145)	(593)
Income (loss) before income taxes	$ (3,986)	$ (6,439)	$ (10,986)	$ (33,222)