Contingencies And Contractual Commitments (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule

At December 31, 2018, the minimum future transportation and storage fees under transportation agreements having terms in excess of one year are as follows:

	(In thousands)
2019	$	144,756
2020	138,893
2021	123,322
2022	109,083
2023	110,416
Thereafter	784,817
Total	$	1,411,287