Long-Term Debt and Long-Term Debt Payable to Related Parties (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Long-Term Debt and Long-Term Debt Payable to Related Parties

Long-term debt and long-term debt payable to related parties consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Converted Term Loan	$	400,000	$	400,000
Term Loan		—		270,710
Long-term debt		400,000		670,710
2019 Promissory Notes		300,000		300,000
2042 Promissory Notes		112,500		112,500
Total long-term debt	$	812,500	$	1,083,210

Carrying Amounts and Estimated Fair Values of Senior Notes

As of March 31, 2018 and December 31, 2017, the carrying amounts and estimated fair values of the Senior Notes were as follows (in thousands):

	March 31, 2018				December 31, 2017
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
2019 Promissory Notes	$	300,000	$	309,750	$	300,000	$	313,125
2042 Promissory Notes		112,500		115,650		112,500		116,550
	$	412,500	$	425,400	$	412,500	$	429,675