Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Narrative (Details)

v3.10.0.1
Basis of Presentation - Narrative (Details)
a in Thousands
3 Months Ended
Oct. 01, 2018
USD ($)
Dec. 31, 2018
USD ($)
a
classification
segment
Dec. 31, 2017
USD ($)
Sep. 30, 2018
USD ($)
Property, Plant and Equipment [Line Items]        
Number of business segments | segment   2    
Accounts receivable, net   $ 6,842,000   $ 2,544,000
Citree        
Property, Plant and Equipment [Line Items]        
Net income (loss) attributable to noncontrolling interest   $ (73,502) $ (16,219)  
Land        
Property, Plant and Equipment [Line Items]        
Area of land owned (in acres) | a   117    
Number of primary classifications | classification   2    
Mineral Rights        
Property, Plant and Equipment [Line Items]        
Area of land owned (in acres) | a   90    
Citree        
Property, Plant and Equipment [Line Items]        
Ownership interest (as a percent)   51.00%    
Citrus        
Property, Plant and Equipment [Line Items]        
Accounts receivable, net   $ 6,848,000   $ 2,471,000
Discontinued Operations, Disposed of by Sale | ASC 610-20        
Property, Plant and Equipment [Line Items]        
Net adjustment to retained earnings $ 14,617,000