Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Measurements

Schedule of assets and Liabilities that are Measured at Fair Value on a Recurring Basis

        The following table presents our assets and liabilities measured at fair value on a recurring basis and the levels of inputs used to measure fair value, which include derivatives designated as cash flow hedging instruments, as well as their location on our consolidated balance sheets as of December 31, 2017 (amounts in thousands):

		Estimated Fair Value
		December 31, 2017
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Cash flow hedges:
Interest rate swap	Other non-current assets		—	$	773		—	$	773