Investments - Schedule of Fair Value of Equity Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Investments [Line Items]
Equity investments	$ 625,058	$ 546,016
Fixed income exchange traded funds
Schedule of Investments [Line Items]
Equity investments	295,481	90,422
Financials
Schedule of Investments [Line Items]
Equity investments	103,250	146,615
Equity exchange traded funds
Schedule of Investments [Line Items]
Equity investments	90,510	114,919
Communications and technology
Schedule of Investments [Line Items]
Equity investments	48,687	82,444
Consumer
Schedule of Investments [Line Items]
Equity investments	33,447	51,083
Industrial, utilities and energy
Schedule of Investments [Line Items]
Equity investments	25,326	26,645
Healthcare
Schedule of Investments [Line Items]
Equity investments	24,617	28,796
Basic materials
Schedule of Investments [Line Items]
Equity investments	$ 3,740	$ 5,092