Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v3.10.0.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Estimated discount rate 4.08% 4.08%
Fair Value, Inputs, Level 3 | Carrying Value | Trailers    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 606 $ 1,278
Fair Value, Inputs, Level 3 | Carrying Value | Nursery - Gainesville    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets   10,107
Fair Value, Inputs, Level 3 | Carrying Value | Chancey Bay    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets   4,587
Fair Value, Inputs, Level 3 | Adjustment to Fair Value | Trailers    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 150 116
Fair Value, Inputs, Level 3 | Adjustment to Fair Value | Nursery - Gainesville    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets   3,607
Fair Value, Inputs, Level 3 | Adjustment to Fair Value | Chancey Bay    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets   408
Fair Value, Inputs, Level 3 | Fair Value | Trailers    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 456 1,162
Fair Value, Inputs, Level 3 | Fair Value | Nursery - Gainesville    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets   6,500
Fair Value, Inputs, Level 3 | Fair Value | Chancey Bay    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets   $ 4,179