Annual report pursuant to Section 13 and 15(d)

Deferred Gain on Sale - Narrative (Details)

v3.8.0.1
Deferred Gain on Sale - Narrative (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Nov. 21, 2014
USD ($)
a
May 31, 2017
USD ($)
May 31, 2016
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Feb. 02, 2017
USD ($)
a
Business Acquisition [Line Items]              
Deferred gain on sale       $ 26,440 $ 27,204    
Net gain on sale       2,181 618 $ 13,590  
Gain on sale of assets       1,373 (147) 290  
Hendry County Florida              
Business Acquisition [Line Items]              
Land held for sale (in acres) | a 36,000           49
Cash payment for land $ 97,900           $ 2,200
Post-closing adjustment period 10 years            
Gain on sale $ 42,753            
Deferred gain on sale 29,140            
Net gain on sale       1,400      
Maximum exposure to loss on a aggregate undiscounted basis $ 42,172            
Percentage of estimated maximum exposure to loss 5.00%            
Hendry County Florida | Other Income (Expense)              
Business Acquisition [Line Items]              
Net gain on sale           $ 13,613  
Property Subject to Operating Lease              
Business Acquisition [Line Items]              
Payments   $ 1,580 $ 1,702        
Interest expense       1,413 1,406    
Gain on sale of assets       $ 538 $ 618    
Property Subject to Operating Lease | Hendry County Florida              
Business Acquisition [Line Items]              
Land held for sale (in acres) | a 30,600