Quarterly report pursuant to Section 13 or 15(d)

Derivative Asset and Derivative Liabilities/Deferred Gain on Sale - Narrative (Details)

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Derivative Asset and Derivative Liabilities/Deferred Gain on Sale - Narrative (Details)
 3 Months Ended 9 Months Ended 52 Months Ended
Mar. 27, 2020
USD ($)
Dec. 07, 2018
USD ($)
Oct. 30, 2018
USD ($)
Nov. 21, 2014
USD ($)
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Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Mar. 11, 2019
USD ($)
Sep. 30, 2019
USD ($)
Oct. 01, 2018
USD ($)
Business Acquisition [Line Items]                          
Gain on sale of investment in real estate         $ 154,000 $ 114,000     $ 3,017,000 $ 137,000      
Retained earnings         $ 202,488,000       $ 202,488,000     $ 198,049,000  
Loss on derivatives                   $ (989,000)      
ASC 610-20                          
Business Acquisition [Line Items]                          
Retained earnings             $ 3,704,000            
Hendry County Florida                          
Business Acquisition [Line Items]                          
Post-closing adjustment period       10 years                  
Aggregate amount of payments made due to post closing agreement                     $ 6,518,000    
Amount to be deposited into escrow   $ 11,300,000                      
Discontinued Operations, Disposed of by Sale                          
Business Acquisition [Line Items]                          
Consideration for discontinued operation $ 2,952,000   $ 206,000                 $ 47,000  
Aggregate amount of payments made due to post closing agreement $ 2,838,000   $ 12,000                    
Discontinued Operations, Disposed of by Sale | ASC 610-20                          
Business Acquisition [Line Items]                          
Retained earnings                         $ 10,897,000
Derivative asset                         3,553,000
Other current liabilities                         $ 13,864,000
Loss on derivatives             $ 33,000 $ 956,000          
Discontinued Operations, Disposed of by Sale | Hendry County Florida                          
Business Acquisition [Line Items]                          
Acres of land | a       36,000                  
Consideration for discontinued operation       $ 97,900,000                  
Post-closing adjustment period       10 years                  
Realized gain on disposal       $ 42,753,000                  
Deferred gain on sale       29,140,000                  
Gain on sale of investment in real estate       $ 13,613,000