Subsequent Events	6 Months Ended
Jun. 30, 2020
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTOn July 2, 2020, TDCC entered into a definitive agreement to sell its rail infrastructure assets and related equipment at six sites in the U.S. & Canada for expected cash proceeds in excess of $310 million. The assets are located at TDCC’s sites in Plaquemine and St. Charles, Louisiana; Freeport and Seadrift, Texas; and Fort Saskatchewan and Prentiss, Alberta, Canada. TDCC will also enter into long-term service agreements with the buyer for the continuation of certain rail-related services for TDCC's operations at these sites. The transaction is expected to close in the fourth quarter of 2020, subject to customary closing conditions, and the Company expects to record a gain on the transaction.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration