Statement Of Changes In Equity [Abstract]

Liontrust Asset Management PLC - Filing #1905473

Concept	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	As at 2023-03-31	2022-04-01 to 2023-03-31	As at 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	2021-04-01 to 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	220,981,000 GBP	112,510,000 GBP	648,000 GBP	13,537,000 GBP	19,000 GBP	—	—	—	121,341,000 GBP	—	19,000 GBP	—	—	9,692,000 GBP	612,000 GBP	64,370,000 GBP	—	128,859,000 GBP	184,168,000 GBP	19,000 GBP	5,818,000 GBP	104,207,000 GBP	163,388,000 GBP	610,000 GBP	64,370,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	—	39,328,000 GBP	—	39,328,000 GBP	—	59,203,000 GBP	—	—	—	—	59,203,000 GBP	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	39,328,000 GBP	—	39,328,000 GBP	—	59,203,000 GBP	—	—	—	—	59,203,000 GBP	—	—	—	—	—	—	—	—
Issue of equity	—	—	—	—	—	48,140,000 GBP	36,000 GBP	—	—	48,176,000 GBP	—	2,000 GBP	2,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	—	—	46,070,000 GBP	—	46,070,000 GBP	—	35,947,000 GBP	—	—	—	—	35,947,000 GBP	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	—	—	—	—	—	1,916,000 GBP	—	1,916,000 GBP	—	2,440,000 GBP	—	—	—	—	2,440,000 GBP	—	—	—	—	—	—	—	—