Supplemental Cash Flows Information	12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flows Information	NOTE 13—Supplemental Cash Flows Information Cash paid for interest, net of amounts capitalized, in 2021, 2020, and 2019, was $53.3 million, $57.9 million, and $60.3 million, respectively. Cash paid for income taxes was immaterial in 2021, 2020, and 2019. Accrued capital expenditures in 2021, 2020, and 2019 were $2.7 million, $3.8 million, and $69.8 million, respectively.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-URI http://asc.fasb.org/topic&trid=2134446

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