Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Narrative (Details)

v3.19.2
Basis of Presentation - Narrative (Details)
a in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2018
USD ($)
Jun. 30, 2019
USD ($)
a
classification
Mar. 31, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
a
classification
segment
Jun. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Property, Plant and Equipment [Line Items]              
Number of business segments | segment         2    
Accounts receivable, net   $ 6,285     $ 6,285   $ 2,544
Citree              
Property, Plant and Equipment [Line Items]              
Net loss attributable to noncontrolling interest   $ 57   $ 15 $ 308 $ 65  
Land              
Property, Plant and Equipment [Line Items]              
Area of land owned (in acres) | a   117     117    
Number of primary classifications | classification   2     2    
Mineral Rights              
Property, Plant and Equipment [Line Items]              
Area of land owned (in acres) | a   90     90    
Citree              
Property, Plant and Equipment [Line Items]              
Ownership interest (as a percent)   51.00%     51.00%    
Citrus              
Property, Plant and Equipment [Line Items]              
Accounts receivable, net   $ 5,417     $ 5,417   $ 2,471
Discontinued Operations, Disposed of by Sale | ASC 610-20              
Property, Plant and Equipment [Line Items]              
Net adjustment to retained earnings $ 14,601   $ 3,704