v3.8.0.1
Cash and Cash Equivalents and Fair Value of Financial Instruments - Schedule of Financial Assets Measured At Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Mar. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap contracts $ 1,378 $ 1,464
Total financial assets 1,378 1,464
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 1,378 1,464
Total financial assets 1,378 1,464
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