Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

At December 31, 2019, aggregate principal repayments of total debt for the next five years and thereafter are as follows:

2020		2021		2022		2023		2024		Thereafter		Total
$	62,535	$	82,937	$	83,730	$	388,462	$	397,025	$	2,872,216	$	3,886,905

Schedule of Debt

The following table presents the carrying value, net of unamortized debt issuance costs and discounts, and the estimated fair value of our total debt, not including the effect of unamortized debt issuance costs, respectively:

	December 31, 2019				December 31, 2018
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Senior unsecured notes
4.90% Senior Notes due August 2020	$	62,505	$	60,660	$	65,810	$	60,177
4.625% Senior Notes due March 2021	79,854		64,262		92,967		84,931
3.95% Senior Notes due March 2022	21,181		12,170		41,617		37,096
7.75% Senior Notes due January 2024	389,800		211,035		783,350		613,719
7.95% Senior Notes due April 2025	446,962		228,515		446,517		339,035
7.875% Senior Notes due February 2026	739,371		546,353		738,075		647,085
6.20% Senior Notes due August 2040	390,526		149,134		390,454		245,242
6.05% Senior Notes due March 2041	389,809		142,646		389,693		247,171
5.25% Senior Notes due March 2042	478,122		176,265		477,996		277,056
8.95% Senior Notes due April 2045	390,763		164,664		390,672		311,392
Seller loans:
Seller-financed secured loan due September 2022	62,453		36,968		60,251		57,902
Seller-financed secured loan due February 2023	55,658		31,175		—		—
Credit facility:
2017 Credit Facility matures January 2023	335,000		335,000		—		—
Total debt	3,842,004		2,158,847		3,877,402		2,920,806
Less: Current maturities of long-term debt	62,505		60,660		—		—
Long-term debt	$	3,779,499	$	2,098,187	$	3,877,402	$	2,920,806