Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Financial Instruments Measured on Recurring Basis

The carrying amounts and estimated fair values of our senior notes and interest rate swaps were as follows:

		June 30, 2016				December 31, 2015
Financial Instrument	Fair Value Input Level	Carrying Value		Fair Value		Carrying Value		Fair Value
		(In thousands)
Assets:
Interest rate swaps	Level 2	$	—	$	—	$	304	$	304
Liabilities:
6.5% Senior notes	Level 2	$	297,136	$	301,500	$	296,752	$	295,500
Interest rate swaps	Level 2	405		405		114		114
		$	297,541	$	301,905	$	296,866	$	295,614