Business Segments (Reconciliation Of Segment Operating Income Before Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	$ 4,692	$ 5,233
Depreciation and amortization expense	(3,808)	(3,742)
General and administrative expense	(6,191)	(4,329)
Equity earnings of unconsolidated joint ventures and entities	302	236
Gain on sale of assets	393	2,822
Other expense	(57)	(91)
Income before income taxes	3,455	5,625
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	9,779	8,630
Corporate, Non-segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization expense	(96)	(70)
General and administrative expense	(4,991)	(3,327)
Interest expense, net	$ (1,875)	$ (2,575)