Credit Risk and Fair Value of Financial Instruments Level 3 (Tables)

12 Months Ended

Dec. 31, 2019

Credit Risk and Fair Value of Financial Instruments [Abstract]

Fair Value, Measurement Inputs, Disclosure [Table Text Block]

The fair value of our debt instruments was as follows:

	Years Ended December 31,
	2019		2018
	(In thousands)
4.5% Senior Notes due November 2020	$	—	$	198,930
8.0% Senior Notes due November 2021	165,375		160,800
5.375% Senior Notes due January 2022	—		428,188
5.375% Senior Notes due May 2024	879,606		851,275
7.5% Notes due April 2027	188,381		214,940
4.625% Senior Notes due December 2027	577,500		517,077
5.125% Senior Notes due June 2029	798,525		—
Term Loan due December 2022	—		629,579
Term Loan due May 2024	633,750		—
Bank Credit Facility due December 2022	—		387,061
Bank Credit Facility due May 2024	295,000		—
Mortgage notes and other debt, maturities through 2050	45,104		4,076
Total fair value of debt instruments	$	3,583,241	$	3,391,926