Business Segments (Reconciliation Of Segment Operating Income Before Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	$ 3,120	$ 6,173	$ 18,840	[1]	$ 17,254
Depreciation and amortization expense	(3,501)	(3,821)	(10,769)	[1]	(11,490)
General and administrative expense	(4,134)	(4,456)	(13,736)	[1]	(14,723)
Equity earnings of unconsolidated joint ventures and entities	195	222	915	[1]	833
Gain on sale of assets		25	11,023	[1]	25
Other income (expense)	(577)	242	(667)	[1]	1,630
Income before income taxes	844	5,251	24,041	[1]	13,205
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	6,281	9,482	29,697		28,477
Corporate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization expense	(86)	(92)	(220)		(273)
General and administrative expense	(3,075)	(3,217)	(10,637)		(10,950)
Interest expense, net	$ (1,894)	$ (1,411)	$ (6,070)		$ (6,537)

[1] Certain prior period amounts have been reclassified to conform to the current period presentation.