Quarterly report pursuant to Section 13 or 15(d)

Debt (Lines-Of-Credit and Notes Payable, Narrative) (Details)

v3.21.2
Debt (Lines-Of-Credit and Notes Payable, Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Mar. 31, 2020
Debt Instrument [Line Items]          
New debt issuance or change     $ 0    
Line of credit, outstanding         $ 60,000,000
Repayments of lines of credit $ 40,000,000        
NBA Eilan Loan [Member]          
Debt Instrument [Line Items]          
Written off unamortized debt issuance costs   $ 200,000      
Repayment of credit facility     15,600,000    
Balance       $ 15,903,000  
Interest rate       4.75%  
Fifth Third Syndicated LOC [Member]          
Debt Instrument [Line Items]          
Balance     $ 20,000,000 $ 30,000,000  
Interest rate     2.25% 2.25%  
Fifth Third Syndicated Term Loan [Member]          
Debt Instrument [Line Items]          
Balance     $ 91,250,000 $ 93,750,000  
Interest rate     2.25% 2.25%