Indebtedness (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Debt

Indebtedness consisted of the following as of December 31, 2018 (the difference between the face value and the carrying value is unamortized discount and debt issuance costs):

				Carrying Value
(In thousands)	Interest Rate	Face Value		2018		2017
Senior notes due on:
August 15, 2019	6.15%	$	140,651	$	140,568	$	140,434
September 15, 2019	7.375%	300,000		299,816		299,562
September 15, 2020	5.375%	300,000		299,420		299,083
January 1, 2022	8.7%	76,503		76,273		76,210
March 15, 2022	4.625%	350,000		348,670		348,252
February 15, 2037	6.25%	250,000		248,006		247,896
August 1, 2044	4.75%	350,000		345,283		345,099
Subsidiary debt (1) (2)	Various	123,992		123,992		12,516
Total senior notes and other debt		$	1,891,146	$	1,882,028	$	1,769,052
Subordinated debentures due on:
April 30, 2053	5.625%	$	350,000	$	341,097	$	340,838
March 1, 2056	5.9%	110,000		106,159		106,055
June 1, 2056	5.75%	290,000		281,551		281,325
March 30, 2058	5.70%	185,000		178,684		—
Total subordinated debentures		$	935,000	$	907,491	$	728,218

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(1) Subsidiary debt is due as follows: