Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Summary of Debt

Debt is summarized as follows:

	Outstanding
	principal		Carrying value
	March 31,		March 31,		December 31,
	2020		2020		2019
	amounts in thousands
Margin Loan Facility	$	1,300,000	1,300,000		1,300,000
Exchangeable senior debentures	477,250		607,301		658,839
Senior notes	775,000		795,279		796,138
Senior credit facility	512,051		512,051		512,666
Wells Fargo note payable	6,930		6,930		7,066
Deferred financing costs	—		(7,846)		(8,491)
Total debt	$	3,071,231	3,213,715		3,266,218
Debt classified as current, net of deferred financing costs			(3,085)		(3,008)
Total long-term debt			$	3,210,630	3,263,210