Analysis Of Income And Expense [Abstract]

ALFA FINANCIAL SOFTWARE HOLDINGS PL - Filing #1599562

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	83,200,000 GBP	—	—	—	78,900,000 GBP	—	—	—	—	—
Material income and expense [abstract]
Research and development expense	—	—	—	—	—	—	—	—	—	—	3,800,000 GBP	—	15,100,000 GBP	—
Selling, general and administrative expense [abstract]
Selling, general and administrative expense	—	—	—	—	30,000,000 GBP	—	—	—	28,500,000 GBP	—	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	—	—	—	—	100,000 GBP	—	—	—	100,000 GBP	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of joint ventures accounted for using equity method	—	—	—	—	100,000 GBP	—	—	—	– GBP	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	– GBP	– GBP	100,000 GBP	19,100,000 GBP	19,100,000 GBP	19,200,000 GBP	20,300,000 GBP	– GBP	20,400,000 GBP	100,000 GBP	—	– GBP	—	20,400,000 GBP