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Loans Receivable (Details)
€ in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2017
EUR (€)
Sep. 30, 2020
USD ($)
Sep. 30, 2020
EUR (€)
Mar. 31, 2020
USD ($)
Mar. 31, 2020
EUR (€)
Oct. 31, 2019
EUR (€)
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Investments   $ 4,955        
Line of Credit Provide   11,000        
Loan Agreement Max Borrowing Amount Dutch Linen Sale | € € 15,000          
Financing Receivable [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans Receivable, Net   9,864   $ 7,084    
Loans Receivable [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Interest Rate Period 15 years          
Other Receivables   $ 8,545 € 7,300 $ 8,072 € 7,300 € 7,300
Years 1-4, 4% Int Rate [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Interest rate on loan receivable 4.00%         4.00%
Years 5-6,8% Int Rate [Member] [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Interest rate on loan receivable           8.00%
Loan Rate 4% [Member] [Domain]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Interest rate on loan receivable   4.00% 4.00%      
Years 5-15, 12% Int Rate [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Interest rate on loan receivable 12.00%