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Cash and Cash Equivalents and Fair Value of Financial Instruments - Schedule of Financial Assets Measured At Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap contracts $ 136 $ 562
Total financial assets 136 562
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap contracts 0 0
Total financial assets 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap contracts 136 562
Total financial assets 136 562
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap contracts 0 0
Total financial assets $ 0 $ 0