Derivative Financial Instruments - Summary of Non-designated Hedges (Detail) € in Thousands, £ in Thousands, kr in Thousands, SFr in Thousands, $ in Thousands	Jun. 30, 2024 SEK (kr) derivative_instrument	Jun. 30, 2024 EUR (€) derivative_instrument	Jun. 30, 2024 GBP (£) derivative_instrument	Jun. 30, 2024 AUD ($) derivative_instrument	Jun. 30, 2024 CHF (SFr) derivative_instrument	Dec. 31, 2023 SEK (kr) derivative_instrument	Dec. 31, 2023 EUR (€) derivative_instrument	Dec. 31, 2023 GBP (£) derivative_instrument	Dec. 31, 2023 AUD ($) derivative_instrument	Dec. 31, 2023 CHF (SFr) derivative_instrument
Derivatives not designated as hedging instruments | Buy GBP / Sell USD Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	2	2	2	2	2	2	2	2	2	2
Notional Amount | £			£ 65,000					£ 26,900
Derivatives not designated as hedging instruments | Buy USD / Sell GBP Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	2	2	2	2	2	2	2	2	2	2
Notional Amount | £			£ 65,000					£ 26,900
Derivatives not designated as hedging instruments | Buy EUR / Sell USD Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	1	1	1	1	1
Notional Amount | €		€ 2,500
Derivatives not designated as hedging instruments | Buy USD / Sell EUR Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	1	1	1	1	1
Notional Amount | €		€ 2,500
Derivatives not designated as hedging instruments | Buy CHF / Sell USD Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	1	1	1	1	1
Notional Amount | SFr					SFr 2,000
Derivatives not designated as hedging instruments | Buy USD / Sell CHF Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	1	1	1	1	1
Notional Amount | SFr					SFr 2,000
Derivatives not designated as hedging instruments | Buy SEK / Sell USD Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments						1	1	1	1	1
Notional Amount | kr						kr 30,800
Derivatives not designated as hedging instruments | Buy USD / Sell SEK Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments						1	1	1	1	1
Notional Amount | kr						kr 30,800
Derivatives not designated as hedging instruments | Buy AUD / Sell USD Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments						1	1	1	1	1
Notional Amount | $									$ 7,600
Derivatives not designated as hedging instruments | Buy USD / Sell AUD Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments						1	1	1	1	1
Notional Amount | $									$ 7,600
Designated Hedges | Buy USD / Sell GBP Forward | Net Investment Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	9	9	9	9	9	7	7	7	7	7
Notional Amount | £			£ 638,650					£ 696,919
Designated Hedges | Buy USD / Sell EUR Forward | Net Investment Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	9	9	9	9	9	8	8	8	8	8
Notional Amount | €		€ 717,588					€ 673,644
Designated Hedges | Buy USD / Sell CHF Forward | Net Investment Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	2	2	2	2	2	4	4	4	4	4
Notional Amount | SFr					SFr 6,752					SFr 8,352
Designated Hedges | Buy USD / Sell SEK Forward | Net Investment Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	2	2	2	2	2	2	2	2	2	2
Notional Amount | kr	kr 973,598					kr 973,246
Designated Hedges | Buy USD / Sell AUD Forward | Net Investment Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of Instruments	9	9	9	9	9	10	10	10	10	10
Notional Amount | $				$ 494,881					$ 471,989