Statement Of Changes In Equity [Abstract]

Auction Technology Group PLC - Filing #1967966

Concept	As at 2023-09-30	2022-10-01 to 2023-09-30	2022-10-01 to 2023-09-30	As at 2023-09-30	As at 2023-09-30	As at 2023-09-30	2022-10-01 to 2023-09-30	2022-10-01 to 2023-09-30	As at 2023-09-30	2022-10-01 to 2023-09-30	2022-10-01 to 2023-09-30	As at 2023-09-30	2022-10-01 to 2023-09-30	As at 2023-09-30	As at 2023-09-30	2022-10-01 to 2023-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	As at 2022-09-30	2021-10-01 to 2022-09-30	2021-10-01 to 2022-09-30	As at 2022-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30	As at 2021-09-30
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	36,203,000 GBP	—	—	4,361,000 GBP	236,231,000 GBP	238,385,000 GBP	—	—	23,485,000 GBP	—	—	12,000 GBP	—	529,960,000 GBP	5,000 GBP	—	238,385,000 GBP	—	—	—	235,903,000 GBP	—	—	539,323,000 GBP	—	36,412,000 GBP	34,690,000 GBP	12,000 GBP	66,740,000 GBP	—	—	5,000 GBP	1,649,000 GBP	238,385,000 GBP	3,213,000 GBP	33,287,000 GBP	5,000 GBP	439,454,000 GBP	12,000 GBP	235,903,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	16,938,000 GBP	– GBP	—	—	—	– GBP	– GBP	—	– GBP	– GBP	—	– GBP	—	—	16,938,000 GBP	—	– GBP	– GBP	– GBP	—	6,127,000 GBP	– GBP	—	– GBP	—	—	—	—	– GBP	6,127,000 GBP	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	2,606,000 GBP	– GBP	—	—	—	– GBP	– GBP	—	– GBP	30,537,000 GBP	—	– GBP	—	—	33,143,000 GBP	—	– GBP	– GBP	– GBP	—	3,074,000 GBP	69,953,000 GBP	—	– GBP	—	—	—	—	– GBP	73,027,000 GBP	—	—	—	—	—	—	—	—	—
Comprehensive income	—	14,332,000 GBP	– GBP	—	—	—	– GBP	– GBP	—	– GBP	30,537,000 GBP	—	– GBP	—	—	16,205,000 GBP	—	– GBP	– GBP	– GBP	—	3,053,000 GBP	69,953,000 GBP	—	– GBP	—	—	—	—	– GBP	66,900,000 GBP	—	—	—	—	—	—	—	—	—
Issue of equity	—	– GBP	328,000 GBP	—	—	—	– GBP	– GBP	—	– GBP	– GBP	—	– GBP	—	—	328,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	1,956,000 GBP	– GBP	—	—	—	– GBP	4,558,000 GBP	—	– GBP	– GBP	—	– GBP	—	—	6,514,000 GBP	—	– GBP	4,695,000 GBP	– GBP	—	78,000 GBP	– GBP	—	– GBP	—	—	—	—	– GBP	4,773,000 GBP	—	—	—	—	—	—	—	—	—