Other Balance Sheet Captions (Taxes PayableAnd Other) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Other Balance Sheet Captions [Abstract]
Caruthersville project financing	$ 40,100	$ 5,000
Income taxes payable - long term	1,031	1,265
Other taxes payable and other	627	700
Taxes payable and other	$ 41,758	$ 6,965

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 720
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483384/720-30-45-1

Name:	us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant