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Fair Value - Additional Information (Details)
₨ in Millions
Mar. 31, 2017
INR (₨)
Mar. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Fair Value Disclosures [Abstract]      
Transfers of financial instruments between levels   $ 0 $ 0
Transfers of financial instruments between level 2 to level 1   0 $ 0
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Notional value of foreign currency forward ₨ 735.0 11,300,000  
Level 3 | Minimum      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Receivables exposure, undiscounted   0  
Level 3 | Maximum      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Receivables exposure, undiscounted   $ 4,600,000