Derivative Financial Instruments - Summary of Outstanding Foreign Exchange Derivatives Designated as Net Investment Hedges of Foreign Currency Risk (Detail) - Designated Hedges - Net Investment Hedges € in Thousands, £ in Thousands, kr in Thousands, kr in Thousands, SFr in Thousands, $ in Thousands	Sep. 30, 2024 SEK (kr) derivative_instrument	Sep. 30, 2024 GBP (£) derivative_instrument	Sep. 30, 2024 EUR (€) derivative_instrument	Sep. 30, 2024 AUD ($) derivative_instrument	Sep. 30, 2024 CHF (SFr) derivative_instrument	Sep. 30, 2024 DKK (kr) derivative_instrument	Dec. 31, 2023 SEK (kr) derivative_instrument	Dec. 31, 2023 GBP (£) derivative_instrument	Dec. 31, 2023 EUR (€) derivative_instrument	Dec. 31, 2023 AUD ($) derivative_instrument	Dec. 31, 2023 CHF (SFr) derivative_instrument	Dec. 31, 2023 DKK (kr) derivative_instrument
Foreign Exchange Contract Buy United States Dollar Sell Swedish Krona [Member]
Derivative [Line Items]
Number of Instruments	2	2	2	2	2	2	2	2	2	2	2	2
Notional Amount | kr	kr 973,345						kr 973,246
Buy USD / Sell EUR Forward
Derivative [Line Items]
Number of Instruments	6	6	6	6	6	6	8	8	8	8	8	8
Notional Amount | €			€ 594,609						€ 673,644
Buy USD / Sell GBP Forward
Derivative [Line Items]
Number of Instruments	9	9	9	9	9	9	7	7	7	7	7	7
Notional Amount | £		£ 663,345						£ 696,919
Buy USD / Sell AUD Forward
Derivative [Line Items]
Number of Instruments	7	7	7	7	7	7	10	10	10	10	10	10
Notional Amount | $				$ 385,545						$ 471,989
Buy USD / Sell DKK Forward
Derivative [Line Items]
Number of Instruments	2	2	2	2	2	2	2	2	2	2	2	2
Notional Amount | kr						kr 2,185						kr 195,674
Buy USD / Sell SEK Forward
Derivative [Line Items]
Number of Instruments	1	1	1	1	1	1	4	4	4	4	4	4
Notional Amount | SFr					SFr 6,752						SFr 8,352