Taxonomy Viewer

Name	DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	xbrli:monetaryItemType
Period type	instant
Substitution Group	xbrli:item
Balance	debit
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	FASB	http://www.xbrl.org/2009/role/commonPracticeRef
Name	Accounting Standards Codification	http://www.xbrl.org/2009/role/commonPracticeRef
Topic	740	http://www.xbrl.org/2009/role/commonPracticeRef
SubTopic	10	http://www.xbrl.org/2009/role/commonPracticeRef
Section	50	http://www.xbrl.org/2009/role/commonPracticeRef
Paragraph	6	http://www.xbrl.org/2009/role/commonPracticeRef
URI	http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319	http://www.xbrl.org/2009/role/commonPracticeRef
Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	740	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	10	http://fasb.org/us-gaap/role/ref/legacyRef
Section	50	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	8	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319	http://fasb.org/us-gaap/role/ref/legacyRef