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Condensed Consolidated Statements of Partners' Capital (Unaudited) - USD ($)
$ in Thousands
Limited Partner [Member]
General Partner [Member]
General and Limited Partners [Member]
AOCI Attributable to Parent [Member]
Total
Partners' capital at Dec. 31, 2014 $ 41,234     $ (186) $ 41,048
Partners’ capital at beginning of period:          
Proceeds from Sale of Interest in Partnership Unit      
Limited partners (587)       (587)
Change in pension and severance obligations       3 3
Partners' capital at Jun. 30, 2015     $ 40,647 (183) 40,464
Partners' capital at Mar. 31, 2015 40,576     (184) 40,392
Partners’ capital at beginning of period:          
Proceeds from Sale of Interest in Partnership Unit      
Limited partners 71       71
Change in pension and severance obligations       1 1
Partners' capital at Jun. 30, 2015     40,647 (183) 40,464
Partners' capital at Dec. 31, 2015 39,042     (321) 38,721
Partners’ capital at beginning of period:          
Proceeds from Sale of Interest in Partnership Unit   224     224
Limited partners (1,126)       (1,126)
Change in pension and severance obligations       4 4
Partners' capital at Jun. 30, 2016     38,140 (317) 37,823
Partners' capital at Mar. 31, 2016 38,413     (319) 38,094
Partners’ capital at beginning of period:          
Proceeds from Sale of Interest in Partnership Unit   $ 224     224
Limited partners $ (497)       (497)
Change in pension and severance obligations       2 2
Partners' capital at Jun. 30, 2016     $ 38,140 $ (317) $ 37,823