Organization and Basis of Presentation - Schedule of Components of Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Equity securities:
Equity securities, carrying value	$ 96,521	$ 98,070
Total - Marketable securities
Available for sale debt securities:
Marketable securities, amortized cost	76,837	76,111
Marketable securities, unrealized gain (loss)	19,684	21,959
Marketable securities, carrying value	96,521	98,070
Investment funds - debt securities
Equity securities:
Equity securities, amortized cost		2,677
Equity securities, unrealized gain (loss)		6
Equity securities, carrying value		2,683
Common stock, preferred stock and stock funds
Equity securities:
Equity securities, amortized cost	48,158	48,738
Equity securities, unrealized gain (loss)	19,704	21,736
Equity securities, carrying value	67,862	70,474
U.S. Treasury and agency securities
Available for sale debt securities:
Debt securities, amortized cost	12,230	10,186
Debt securities, unrealized gain (loss)	(1)	103
Debt securities, carrying value	12,229	10,289
Certificates of deposit
Available for sale debt securities:
Debt securities, amortized cost	5,041	5,000
Debt securities, unrealized gain (loss)	0	0
Debt securities, carrying value	5,041	5,000
Corporate debt securities
Available for sale debt securities:
Debt securities, amortized cost	10,933	8,954
Debt securities, unrealized gain (loss)	(25)	105
Debt securities, carrying value	10,908	9,059
Municipal debt securities
Available for sale debt securities:
Debt securities, amortized cost	475	556
Debt securities, unrealized gain (loss)	6	9
Debt securities, carrying value	$ 481	$ 565

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