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Subsequent Events (Details) - USD ($)
1 Months Ended 2 Months Ended 12 Months Ended
Jan. 31, 2022
Feb. 24, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Subsequent Event          
Proceeds from sale of real estate     $ 162,164,000 $ 6,101,000 $ 50,846,000
Repayment of secured debt     171,205,000 26,679,000 132,160,000
Proceeds from Related Party Debt     $ 41,000,000 $ 21,048,000 $ 0
Subsequent Event          
Subsequent Event          
Repayment of secured debt   $ 22,300,000      
Subsequent Event | Related Party | Line of Credit          
Subsequent Event          
Proceeds from Related Party Debt   18,000,000      
Subsequent Event | Office Facility in Rotterdam, the Netherlands          
Subsequent Event          
Proceeds from sale of real estate $ 23,000,000        
Repayment of secured debt   $ 36,200,000