Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of financial instruments recognized on balance sheet at carrying value

Financial instruments that we recognize in our balance sheets at their carrying amounts are shown in the table below along with their associated fair values (in thousands):

	Fair Value Hierarchy	June 30, 2018				December31, 2017
		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Cash and cash equivalents	Level 1	$	100,094	$	100,094	$	42,052	$	42,052
Financial liabilities:
Debt:
Revolver	Level 2	—		—		410,000		410,000
Senior Notes	Level 2	989,380		986,930		495,283		523,800
Notes payable – related party	Level 2	285,000		285,000		370,000		370,000