Credit Risk and Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Credit Risk and Fair Value of Financial Instruments [Abstract]

Fair Value, Measurement Inputs, Disclosure

The fair value of our debt instruments at June 30, 2016 and December 31, 2015 was as follows:

	June 30, 2016		December 31, 2015
	(In thousands)
7.0% Senior Notes due June 2017	$	—	$	314,618
7.625% Senior Notes due October 2018	278,750		279,375
4.5% Senior Notes due November 2020	203,500		201,500
8.0% Senior Notes due November 2021	176,718		176,438
5.375% Senior Notes due January 2022	438,983		445,188
5.375% Senior Notes due May 2024	896,214		884,094
7.5% Senior Notes due April 2027	231,000		216,500
Term Loan due March 2021	691,250		—
Bank Credit Facility due March 2021	250,000		—
Term Loan due July 2018	—		310,000
Bank Credit Facility due July 2018	—		270,000
Mortgage notes and other debt, maturities through 2050	3,953		4,047
Total fair value of debt instruments	$	3,170,368	$	3,101,760