Specification
XBRL Specification
It defines the rules and fundamentals of the language; it is designed to communicate information to IT professionals who develop applications and tools intended to be XBRL-compatible, and to a lesser extent it assists taxonomy developers.
To find out more and obtain the latest version of the XBRL Specification 2.1 visit the XBRL International website (http://www.xbrl.org).
FRTA
Financial Reporting Taxonomy Architecture; it is a document published by the XBRL International Consortium that recommends architectural rules and establishes conventions that assist in the comprehension, usage and performance of different financial reporting taxonomies; it is mainly intended for application by public taxonomy developers (authorities).
FRIS
Financial Reporting Instance Standards; it is a document published by the XBRL International Consortium that recommends the rules and conventions for creating an instance document