Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Details)

v3.10.0.1
Related Party Transactions - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 28, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Sep. 29, 2016
Related Party Transaction [Line Items]          
Impairment of notes receivable   $ 1,739,000 $ 5,261,000 $ 0  
Development fee percentage   5.00% 5.00%    
Provision for credit losses   $ 434,000 $ 2,821,000 $ 425,000  
Pineland Shopping Center [Member]          
Related Party Transaction [Line Items]          
Development fee percentage 5.00%        
Consideration for Sale of Land Promissory Note [Member]          
Related Party Transaction [Line Items]          
Notes receivables from related parties         $ 1,000,000
Sea Turtle Development          
Related Party Transaction [Line Items]          
Notes receivables from related parties         $ 11,000,000
Notes receivable in nonaccrual status   1,440,000      
Recoveries in amounts due from affiliates   77,000      
Reserve for amounts due from affiliates   2,202,000 2,364,000    
Provision for credit losses   $ 0 $ 636,000