Fair Value Measurements Equity Securities Without Readily Determinable Fair Values (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity Securities Without Readily Determinable Fair Value Amount [Roll Forward]
Carrying value as of December 31, 2022	$ 19,000
Write-up of equity securities without readily determinable fair values	5,785	$ 5,690	$ 0
Equity Securities without Readily Determinable Fair Value, Additions, Annual Amount	10,011
Equity Securities without Readily Determinable Fair Value, Sales, Annual Amount	(252)
Equity Securities without Readily Determinable Fair Value, Amount	35,000	19,000
Fair Value, Inputs, Level 3
Equity Securities Without Readily Determinable Fair Value Amount [Roll Forward]
Carrying value as of December 31, 2022	19,225
Write-up of equity securities without readily determinable fair values	5,785
Equity Securities without Readily Determinable Fair Value, Amount	24,769	$ 19,225
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	24,671
Cumulative downward carrying value changes between January 1, 2018 and December 31, 2023	0
Fair Value, Inputs, Level 3 and NAV
Equity Securities Without Readily Determinable Fair Value Amount [Roll Forward]
Equity Securities without Readily Determinable Fair Value, Amount	$ 34,769