Annual report pursuant to Section 13 and 15(d)

Real Estate and Intangible Assets - Summary Information of Farms (Detail)

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Real Estate and Intangible Assets - Summary Information of Farms (Detail)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2018
a
farm
Dec. 31, 2018
USD ($)
a
farm
Dec. 31, 2017
USD ($)
a
farm
Jun. 07, 2018
a
Real Estate Properties [Line Items]        
No. of Farms | farm   85 73  
Total Acres   73,205 63,014  
Farm Acres   57,744    
Net Cost Basis | $   $ 541,656    
Encumbrances | $   $ 338,226    
California        
Real Estate Properties [Line Items]        
No. of Farms | farm   33 28  
Total Acres   10,147 8,080  
Farm Acres   9,336    
Net Cost Basis | $   $ 249,984    
Encumbrances | $   $ 168,158    
Florida        
Real Estate Properties [Line Items]        
No. of Farms | farm   22 16  
Total Acres   17,184 11,006 26
Farm Acres   12,981    
Net Cost Basis | $   $ 154,749    
Encumbrances | $   $ 97,262    
Colorado        
Real Estate Properties [Line Items]        
No. of Farms | farm   10 10  
Total Acres   31,448 31,450  
Farm Acres   24,513    
Net Cost Basis | $   $ 42,098    
Encumbrances | $   $ 25,468    
Arizona        
Real Estate Properties [Line Items]        
No. of Farms | farm   6 6  
Total Acres   6,280 6,280  
Farm Acres   5,228    
Net Cost Basis | $   $ 53,849    
Encumbrances | $   $ 22,359    
Nebraska        
Real Estate Properties [Line Items]        
No. of Farms | farm   2 2  
Total Acres   2,559 2,559  
Farm Acres   2,101    
Net Cost Basis | $   $ 10,464    
Encumbrances | $   $ 7,050    
Washington        
Real Estate Properties [Line Items]        
No. of Farms | farm   1 1  
Total Acres   746 746  
Farm Acres   417    
Net Cost Basis | $   $ 8,845    
Encumbrances | $   $ 5,236    
North Carolina        
Real Estate Properties [Line Items]        
No. of Farms | farm   2 2  
Total Acres   310 310  
Farm Acres   295    
Net Cost Basis | $   $ 2,323    
Encumbrances | $   $ 1,270    
Oregon        
Real Estate Properties [Line Items]        
No. of Farms | farm   1 0  
Total Acres   3,667 0  
Farm Acres   2,219    
Net Cost Basis | $   $ 8,418    
Encumbrances | $   $ 5,280    
Oregon        
Real Estate Properties [Line Items]        
No. of Farms | farm   3 4  
Total Acres   418 2,313  
Farm Acres   363    
Net Cost Basis | $   $ 5,946    
Encumbrances | $   $ 3,375    
Michigan        
Real Estate Properties [Line Items]        
No. of Farms | farm   5 4  
Total Acres   446 270  
Farm Acres   291    
Net Cost Basis | $   $ 4,980    
Encumbrances | $   2,768    
Long-term mortgage notes and bonds payable        
Real Estate Properties [Line Items]        
Deferred financing costs related to mortgage notes and bonds payable | $   $ 2,338 $ 1,986  
State of Arizona | Arizona        
Real Estate Properties [Line Items]        
No. of Farms | farm 2      
Total Acres 1,368      
Farm Acres   1,221    
Net Cost Basis | $   $ 2,700    
2017 New Real Estate Activity        
Real Estate Properties [Line Items]        
No. of Farms | farm     16  
Total Acres     12,641  
Encumbrances | $     $ 75,763  
2017 New Real Estate Activity | State of Arizona | Yuma, AZ        
Real Estate Properties [Line Items]        
No. of Farms | farm     2  
Total Acres     1,368