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Basis of Presentation and Summary of Significant Accounting Policies Correction of Immaterial Error (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Liabilities $ 903,186 $ 696,010    
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (226,569) (221,492) $ (197,656) $ (175,734)
Accumulated Deficit        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ (86,213) $ (71,680) $ (57,904) $ (20,711)