Noncontrolling Interest Of Common Units In SLP (Equity Reconciliation Of Parent And Noncontrolling Interest) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Noncontrolling Interest [Line Items]
Balance	$ 19,092
Stock-based compensation	202
Issuance of common stock	346	$ 860
Net earnings	9,505
Balance	29,145
Preferred A Stock [Member]
Noncontrolling Interest [Line Items]
Balance	8
Stock-based compensation	0
Issuance of common stock	0
Net earnings	0
Balance	8
Preferred C Stock [Member]
Noncontrolling Interest [Line Items]
Balance	30
Stock-based compensation	0
Issuance of common stock	0
Net earnings	0
Balance	30
Common Stock [Member]
Noncontrolling Interest [Line Items]
Balance	47
Stock-based compensation	0
Issuance of common stock	2
Net earnings	0
Balance	49
Additional Paid-In Capital [Member]
Noncontrolling Interest [Line Items]
Balance	137,900
Stock-based compensation	202
Issuance of common stock	344
Net earnings	0
Balance	138,446
Distributions In Excess Of Retained Earnings[Member]
Noncontrolling Interest [Line Items]
Balance	(118,983)
Stock-based compensation	0
Issuance of common stock	0
Net earnings	8,784
Balance	(110,199)
Total Shareholder Equity [Member]
Noncontrolling Interest [Line Items]
Balance	19,002
Stock-based compensation	202
Issuance of common stock	346
Net earnings	8,784
Balance	28,334
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Balance	90
Stock-based compensation	0
Issuance of common stock	0
Net earnings	721
Balance	$ 811