Noncontrolling Interest Of Common Units In SLP (Equity Reconciliation Of Parent And Noncontrolling Interest) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Noncontrolling Interest [Line Items]
Balance	$ 19,092
Stock-based compensation	123
Issuance of common stock	346	$ 860
Net loss	(2,449)
Balance	17,112
Preferred A Stock [Member]
Noncontrolling Interest [Line Items]
Balance	8
Stock-based compensation	0
Issuance of common stock	0
Net loss	0
Balance	8
Preferred C Stock [Member]
Noncontrolling Interest [Line Items]
Balance	30
Stock-based compensation	0
Issuance of common stock	0
Net loss	0
Balance	30
Common Stock [Member]
Noncontrolling Interest [Line Items]
Balance	47
Stock-based compensation	0
Issuance of common stock	2
Net loss	0
Balance	49
Additional Paid-In Capital [Member]
Noncontrolling Interest [Line Items]
Balance	137,900
Stock-based compensation	123
Issuance of common stock	344
Net loss	0
Balance	138,367
Distributions In Excess Of Retained Earnings[Member]
Noncontrolling Interest [Line Items]
Balance	(118,983)
Stock-based compensation	0
Issuance of common stock	0
Net loss	(2,446)
Balance	(121,429)
Total Shareholder Equity [Member]
Noncontrolling Interest [Line Items]
Balance	19,002
Stock-based compensation	123
Issuance of common stock	346
Net loss	(2,446)
Balance	17,025
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Balance	90
Stock-based compensation	0
Issuance of common stock	0
Net loss	(3)
Balance	$ 87