| Name | ScheduleOfEarningsPerShareDilutedByCommonClassTable |
|---|---|
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| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Complete disclosure pertaining to an entity's diluted earnings per share. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
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| ChangeDate | 2019-12 | http://fasb.org/srt/role/changeNote/changeNote |
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| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-11 | http://fasb.org/srt/role/changeNote/changeNote |
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| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
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| Paragraph | 3 | http://www.xbrl.org/2003/role/disclosureRef |
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| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 260 | http://www.xbrl.org/2003/role/disclosureRef |
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| Paragraph | 2 | http://www.xbrl.org/2003/role/disclosureRef |
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| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 260 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 45 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 60B | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (d) | http://www.xbrl.org/2003/role/disclosureRef |
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| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:StatementClassOfStockAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/EarningsPerShare | |
us-gaap:EarningsPerShareDilutedLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/EarningsPerShare | |
us-gaap:StatementClassOfStockAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/EarningsPerShare | |
us-gaap:EarningsPerShareDilutedLineItems | all | http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable |