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Derivative Financial Instruments - Effect of Cash Flow Hedging on AOCI (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Derivative [Line Items]      
AMOUNT OF (LOSS) RECOGNIZED IN OCI on derivatives $ (5,592)    
AMOUNT OF (GAIN)/LOSS RECLASSIFIED FROM OCI INTO INCOME for the twelve months ended December 31, (319) $ (424) $ (176)
Interest Rate Swap - 2017 [Member]      
Derivative [Line Items]      
AMOUNT OF (LOSS) RECOGNIZED IN OCI on derivatives (674)    
Interest Rate Swap - 2018 [Member]      
Derivative [Line Items]      
AMOUNT OF (LOSS) RECOGNIZED IN OCI on derivatives (1,366)    
Interest Rate Swap - 2019 [Member]      
Derivative [Line Items]      
AMOUNT OF (LOSS) RECOGNIZED IN OCI on derivatives (3,552)    
Interest Rate Swap [Member]      
Derivative [Line Items]      
AMOUNT OF (LOSS) RECOGNIZED IN OCI on derivatives 0    
Interest Expense [Member]      
Derivative [Line Items]      
AMOUNT OF (GAIN)/LOSS RECLASSIFIED FROM OCI INTO INCOME for the twelve months ended December 31, 319 424  
Interest Expense [Member] | Interest Rate Swap - 2017 [Member]      
Derivative [Line Items]      
AMOUNT OF (GAIN)/LOSS RECLASSIFIED FROM OCI INTO INCOME for the twelve months ended December 31, (22) 51  
Interest Expense [Member] | Interest Rate Swap - 2018 [Member]      
Derivative [Line Items]      
AMOUNT OF (GAIN)/LOSS RECLASSIFIED FROM OCI INTO INCOME for the twelve months ended December 31, 99 204  
Interest Expense [Member] | Interest Rate Swap - 2019 [Member]      
Derivative [Line Items]      
AMOUNT OF (GAIN)/LOSS RECLASSIFIED FROM OCI INTO INCOME for the twelve months ended December 31, 74 0  
Interest Expense [Member] | Interest Rate Swap [Member]      
Derivative [Line Items]      
AMOUNT OF (GAIN)/LOSS RECLASSIFIED FROM OCI INTO INCOME for the twelve months ended December 31, $ 168 $ 169