Our obligations under debt arrangements consisted of the following:



	March 31, 2017						December 31, 2016
	Principal		Unamortized Discount and Debt Issuance Costs		Net Value		Principal		Unamortized Discount and Debt Issuance Costs		Net Value
Senior secured credit facility	$	1,210,000	$	—	$	1,210,000	$	1,278,200	$	—	$	1,278,200
6.000% senior unsecured notes due May 2023	400,000		6,491		393,509		400,000		6,758		393,242
5.750% senior unsecured notes due February 2021	350,000		3,908		346,092		350,000		4,163		345,837
5.625% senior unsecured notes due June 2024	350,000		6,389		343,611		350,000		6,614		343,386
6.750% senior unsecured notes due August 2022	750,000		18,500		731,500		750,000		19,296		730,704
Total long-term debt	$	3,060,000	$	35,288	$	3,024,712	$	3,128,200	$	36,831	$	3,091,369