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Commitment and Contingencies - Litigation (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Nov. 19, 2019
Apr. 12, 2019
Mar. 13, 2019
May 11, 2018
Feb. 28, 2018
Dec. 31, 2019
Dec. 31, 2018
Loss Contingencies              
Legal settlement accrual             $ 76,500
Steve and Sons              
Loss Contingencies              
Damages awarded to plaintiff $ 7,100   $ 36,500        
Legal settlement accrual           $ 78,600  
Settlement proceeds awarded       $ 1,200      
Steve and Sons | Attorney fees              
Loss Contingencies              
Damages sought   $ 28,400          
Steve and Sons | Legal cost              
Loss Contingencies              
Damages sought   $ 1,700          
Steve and Sons | Past damages              
Loss Contingencies              
Damages awarded to plaintiff     9,900   $ 12,200    
Steve and Sons | Future damages              
Loss Contingencies              
Damages awarded to plaintiff     $ 139,400   $ 46,500