Asset Retirement Obligations (Tables)
|12 Months Ended|
Dec. 31, 2020
|Asset Retirement Obligation Disclosure [Abstract]|
|Reconciliation of Asset Retirement Obligations which are Included in Other Liabilities||The following table reconciles our AROs as of the dates presented, which are included in the “Other liabilities” caption on our Consolidated Balance Sheets:
Tabular disclosure of the carrying amount of a liability for asset retirement obligations.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef