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Subsequent Events (Narratives) (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
May 31, 2020
Apr. 30, 2020
Mar. 31, 2020
Apr. 01, 2020
Debt Instruments [Abstract]        
Subsidiary cash dividend paid to parent     $ 0  
Subsequent Event [Member] | Long Term Debt [Member]        
Debt Instruments [Abstract]        
Expansion of credit facility, borrowed amount   $ 50,000    
Subsequent Event [Member] | Short Term Debt [Member]        
Debt Instruments [Abstract]        
Short term line of credit $ 200,000      
Debt Instrument, Interest Rate, Effective Percentage [Abstract]        
Sum of LIBOR and margin, maximum rate       2.00%
Subsequent Event [Member] | Dividend Paid [Member]        
Debt Instruments [Abstract]        
Subsidiary cash dividend paid to parent   $ 18,600