Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Additional Information (Details)

v3.19.1
Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Related receivable $ 41,525 $ 37,041
Forward Contracts    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Related receivable $ 862 $ 472