XML 74 R52.htm IDEA: XBRL DOCUMENT v3.20.4
Commitment and Contingencies Disclosure (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Purchase commitments The commitment terms vary in length, up to 39 years. The commitments under these contracts as of December 31, 2020, were:
20212022202320242025Thereafter
(In thousands)
Purchase commitments$458,397 $235,858 $173,306 $124,724 $98,894 $691,613