Strategic Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Equity Securities without Readily Determinable Fair Value [Line Items]
Unrealized gains on strategic investments still held at the reporting date	$ 111,834	$ 46	$ 240,069	$ 6,536
Assets	8,832,777		8,832,777		$ 7,000,313
Variable Interest Entity, Not Primary Beneficiary
Equity Securities without Readily Determinable Fair Value [Line Items]
Assets	135,900		135,900		$ 9,400
Strategic Investments and Warrants
Equity Securities without Readily Determinable Fair Value [Line Items]
Cumulative unrealized net gains upward adjustments	247,000		247,000
Equity securities without readily determinable fair value, downward price adjustment, cumulative amount	$ 15,400		15,400
Separate Existing Strategic Investee
Equity Securities without Readily Determinable Fair Value [Line Items]
Payments to acquire equity method investments			191,800	215,100
Unrealized gains on strategic investments still held at the reporting date			229,700	167,400
Equity method investment, amount sold				340,700
Equity method investment, realized gain on disposal				320,800
Transaction costs		1,300		1,300
Separate Strategic Investee
Equity Securities without Readily Determinable Fair Value [Line Items]
Payments to acquire equity method investments			$ 49,900
Liquidation Transaction
Equity Securities without Readily Determinable Fair Value [Line Items]
Unrealized gains on strategic investments still held at the reporting date				14,600
Equity method investment, amount sold				36,900
Equity method investment, realized gain on disposal				2,600
Transaction costs		$ 100		$ 100