Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 35,679	$ 38,432
Other comprehensive income (loss):
Increase (decrease) in fair value of cash flow hedge	665	(1,646)
Less: reclassification adjustment for amounts recognized in net income	(292)	276
Total other comprehensive income (loss)	(957)	1,922
Comprehensive income	$ 34,722	$ 40,354

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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