Noncontrolling Interest Of Common Units In SLP (Equity Reconciliation Of Parent And Noncontrolling Interest) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Noncontrolling Interest [Line Items]
Balance	$ 19,092
Stock-based compensation	49
Proceeds from Issuance of Common Stock.	346	0
Net loss	3,450
Balance	22,937
Preferred A Stock [Member]
Noncontrolling Interest [Line Items]
Balance	8
Stock-based compensation	0
Proceeds from Issuance of Common Stock.	0
Net loss	0
Balance	8
Preferred C Stock [Member]
Noncontrolling Interest [Line Items]
Balance	30
Stock-based compensation	0
Proceeds from Issuance of Common Stock.	0
Net loss	0
Balance	30
Common Stock [Member]
Noncontrolling Interest [Line Items]
Balance	47
Stock-based compensation	0
Proceeds from 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	49
Proceeds from Issuance of Common Stock.	344
Net loss	0
Balance	138,293
Distributions In Excess Of Retained Earnings[Member]
Noncontrolling Interest [Line Items]
Balance	(118,983)
Stock-based compensation	0
Proceeds from Issuance of Common Stock.	0
Net loss	3,169
Balance	(115,814)
Total Shareholder Equity [Member]
Noncontrolling Interest [Line Items]
Balance	19,002
Stock-based compensation	49
Proceeds from Issuance of Common Stock.	346
Net loss	3,169
Balance	22,566
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Balance	90
Stock-based compensation	0
Proceeds from Issuance of Common Stock.	0
Net loss	281
Balance	$ 371