Noncontrolling Interests (Summary Of Changes In Controlling And Noncontrolling Stockholders’ Equity) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Noncontrolling Interest [Line Items]
Equity, beginning balance			$ 132,298		$ 121,747
Net income (loss)	$ 16,006	$ 4,774	19,108	[1]	4,519	[1]
Increase in additional paid in capital			1,153		565
Treasury stock purchased			(3,795)		(1,795)
Contributions from noncontrolling stockholders - SHP			17		125
Distributions to noncontrolling stockholders			(96)		(101)
Accumulated other comprehensive income (loss)			(13,966)		10,585
Equity, ending balance	134,719	135,645	134,719		135,645
Controlling Stockholder's Equity [Member]
Noncontrolling Interest [Line Items]
Equity, beginning balance			127,686		117,140
Net income (loss)			19,115		4,542
Increase in additional paid in capital			1,153		565
Treasury stock purchased			(3,795)		(1,795)
Accumulated other comprehensive income (loss)			(13,944)		10,557
Equity, ending balance	130,215	131,009	130,215		131,009
Noncontrolling Stockholders' Equity [Member]
Noncontrolling Interest [Line Items]
Equity, beginning balance			4,612		4,607
Net income (loss)			(7)		(23)
Contributions from noncontrolling stockholders - SHP			17		125
Distributions to noncontrolling stockholders			(96)		(101)
Accumulated other comprehensive income (loss)			(22)		28
Equity, ending balance	$ 4,504	$ 4,636	$ 4,504		$ 4,636

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