Latest Posts

The Future of Arelle

January 25, 2022

A Personal Note Today the acquisition of Mark V Systems was announced by Workiva. I truly welcome this news and I hope that many of our members and stakeholders will recognise its importance. As many readers will know, Mark V Systems is the company behind Arelle, the open source XBRL processor and validator embedded in […]

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Improving iXBRL performance

October 27, 2021

The European Single Electronic Format (ESEF) initiative has shown that Inline XBRL (or iXBRL) can very successfully replicate the high level of design that is typical of public company financial reports, including graphics, custom fonts and precise control of page layout. Unfortunately, many such early filings exhibit poor performance in the form of slow opening […]

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ESEF Errors and Common Pitfalls: 8 – Rounding and Calculations

October 6, 2021

This is an addition to our series on common errors and pitfalls in ESEF filings, observed through analysis of hundreds of reports collected in our repository, at filings.xbrl.org. For the series introduction, start here. Calculation inconsistencies are common occurrences noted in our ‘ESEF Errors and Common Pitfalls’ blog series. They occur when facts in a report […]

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xBRL-CSV and Granular Data: the AnaCredit example, a Proof of Concept from XBRL Europe

September 22, 2021

This is a guest post by Vincent Le Moal-Joubel, data scientist and XBRL expert at the Banque de France, based on his presentation at the 28th XBRL Europe Digital Week event on Bank & Insurance reporting, on 23 June 2021. He offers an important proof of concept on the use of xBRL-CSV for European reporting.  […]

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Introducing Report and Taxonomy Package Certification

September 16, 2021

The XBRL Software Certification programme has gained a new and valuable feature, with its expansion to provide certification of the Taxonomy Package and Report Package formats. From now on, not only do we confirm that software is able to correctly create and validate XBRL reports themselves according to the appropriate specifications, but also that these […]

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LAST CALL: Standards for New XBRL Formats Set to Go Final

August 6, 2021

XBRL International, the standards setter for digital business reporting, expects to promote new xBRL-CSV and xBRL-JSON formats to Recommended status within 90 days. As part of a long-term strategic effort to modernise and simplify important aspects of digital reporting, the XBRL Standards Board this week voted to publish updated report format specifications at the Proposed […]

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Taxonomy building blocks

August 4, 2021

This post is by Erwin Kaats, XBRL expert at Logius, on behalf of the Taxonomy Architecture Guidance Task Force (TAGTF). This group is made up of taxonomy experts who work to define best practice and produce reliable and high-quality XBRL International guidance to improve the comparability of data by increasing the consistency of taxonomies around […]

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Building an XBRL Taxonomy: Widespread Errors and How to Avoid Them

July 22, 2021

This is a guest post by Katherine Haigh, Quality Assurance Manager at CoreFiling and member of the XBRL International Best Practices Board. In this age of digital reporting, hundreds of XBRL taxonomies are published every year. Our analysis at CoreFiling shows that there are a few common mistakes that repeatedly crop up in such taxonomies. […]

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99 Days That Will Change Reporting

July 21, 2021

A post by John Turner, CEO of XBRL International. While preparing a presentation that I gave this week to the Taiwan Stock Exchange it occurred to me that the next 99 days (well — it was 101 when I gave the talk) should see a significant degree of certainty arrive in the environmental, social, and […]

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ESEF Errors and Common Pitfalls: 7 – HTML formatting

June 23, 2021

This is part of a series on common errors and pitfalls in ESEF filings, observed in our analysis of hundreds of reports collected in our repository, at filings.xbrl.org. For the series introduction, start here. Inline XBRL embeds XBRL tags into an HTML document, resulting in a single document that enables filers to provide computer-readable data whilst retaining significant control […]

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