Derivative Instruments - Schedule of Gain or Loss Recognized on Interest Rate Derivatives Designated as Cash Flow Hedges (Details) - Cash flow hedging - Designated as hedging instrument - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Derivative Instruments, Gain (Loss) [Line Items] | |||
Amount of gain (loss) recognized in cumulative other comprehensive loss (effective portion) | $ 84 | $ (297) | $ (554) |
Amount of loss reclassified from cumulative other comprehensive loss into interest expense (effective portion) | 79 | 49 | 3,792 |
Amount of loss recognized in income (ineffective portion and amount excluded from effectiveness testing) | $ 293 | $ 0 | $ 241 |