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Derivative and Other Fair Value Instruments - Summary of Effect of Fair Value Hedges on the Accompanying Consolidated Statements of Operations and Comprehensive Income (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]  
Amount of Gain/(Loss) Recognized in Income on Derivative $ 1,255
Amount of Gain/(Loss) Recognized in Income on Hedged Item (1,255)
Interest Rate Swap [Member]  
Derivative Instruments, Gain (Loss) [Line Items]  
Amount of Gain/(Loss) Recognized in Income on Derivative 1,255
Amount of Gain/(Loss) Recognized in Income on Hedged Item $ (1,255)