| Name | EquityMethodInvestmentNonconsolidatedInvesteeDomain |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Equity Method Investment, Nonconsolidated Investee [Domain] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nonconsolidated equity method investee. Excludes information consolidated by reporting entity. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Note | This domain element represents the values for the reporting entity and not those of any equity method investees. The totals for equity method investees should be reported using the member named in tin-part:AlternateElement. | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| PublishDate | 2020-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | VIEs:Taxonomy Technical Improvement | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| AlternateElement | EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | VIEs:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2020 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2019-10 | http://fasb.org/srt/role/changeNote/changeNote |
| NewElement | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 235 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | S99 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (SX 210.4-08(g)(1)(ii)) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 323 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 3 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (c) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 205 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 20 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 7 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 825 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 28 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (f) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVentures | |
us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVenturesScheduleOfEquityMethodInvestmentsTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVentures | |
us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis | dimension-default | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVenturesScheduleOfEquityMethodInvestmentsTable | |
us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis | dimension-domain | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVenturesScheduleOfEquityMethodInvestmentsTable |