XML 53 R33.htm IDEA: XBRL DOCUMENT
v3.20.4

Comparative figures | 12 Months Ended
--- | ---
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Comparative figures | Comparative figuresCertain of the comparative figures have been reclassified to conform to the financial statement presentation adopted in the current year.

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for classifying current financial statements, which may be different from classifications in the prior year's financial statements. Disclose any material changes in classification including an explanation of the reason for the change and the areas impacted. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -URI http://asc.fasb.org/topic&trid=2122149 + Details
Name: | us-gaap_Reclassifications
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration