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Discontinued Operations - Reconciliation of Noncontrolling Interest, Income Statement (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]        
Loss from continuing operations     $ (173) $ (264)
Income from discontinued operations     0 2,668
Net income (loss) attributable to noncontrolling interest $ (109) $ (133) $ (173) $ 2,404