XML 69 R45.htm IDEA: XBRL DOCUMENT v3.24.0.1
Goodwill and intangible assets - Reconciliation of intangible assets and goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period $ 197,762  
Intangible assets and goodwill at end of period 202,051 $ 197,762
Cost    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 338,363 329,811
Additions and amortization charge for the period   20,410
Transfers   0
Net exchange differences 4,289 (11,858)
Intangible assets and goodwill at end of period 342,652 338,363
Accumulated amortization    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period (140,601) (140,601)
Additions and amortization charge for the period 0 0
Intangible assets and goodwill at end of period (140,601) (140,601)
Goodwill    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 19,149  
Intangible assets and goodwill at end of period 19,149 19,149
Goodwill | Cost    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 132,251 132,251
Net exchange differences 0 0
Intangible assets and goodwill at end of period 132,251 132,251
Goodwill | Accumulated amortization    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period (113,102) (113,102)
Intangible assets and goodwill at end of period (113,102) (113,102)
Fund management contracts (indefinite life)    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 178,613  
Intangible assets and goodwill at end of period 182,902 178,613
Fund management contracts (indefinite life) | Cost    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 178,613 160,973
Additions and amortization charge for the period   20,410
Transfers   9,088
Net exchange differences 4,289 (11,858)
Intangible assets and goodwill at end of period 182,902 178,613
Fund management contracts (indefinite life) | Accumulated amortization    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 0 0
Additions and amortization charge for the period 0 0
Intangible assets and goodwill at end of period 0 0
Fund management contracts (finite life)    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 0  
Intangible assets and goodwill at end of period 0 0
Fund management contracts (finite life) | Cost    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period 27,499 36,587
Additions and amortization charge for the period   0
Transfers   (9,088)
Net exchange differences 0 0
Intangible assets and goodwill at end of period 27,499 27,499
Fund management contracts (finite life) | Accumulated amortization    
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]    
Intangible assets and goodwill at beginning of period (27,499) (27,499)
Additions and amortization charge for the period 0 0
Intangible assets and goodwill at end of period $ (27,499) $ (27,499)