Transactions with Related Parties - Schedule of Related Party Transactions (Details) - Related Party - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
Loans and notes receivable from related parties
Total loans and notes receivable from related parties	$ 8,101	$ 11,648
Allowance for credit loss	(6,809)	(10,735)	$ (8,611)
Total loans and notes receivable from related parties, net of allowance for credit losses	1,292	913
Member firm loans
Loans and notes receivable from related parties
Total loans and notes receivable from related parties	7,036	11,035
Total loans and notes receivable from related parties, net of allowance for credit losses	300	300
Employee loans
Loans and notes receivable from related parties
Total loans and notes receivable from related parties	1,065	218
Total loans and notes receivable from related parties, net of allowance for credit losses	100	200
Stewardship funds
Loans and notes receivable from related parties
Total loans and notes receivable from related parties	$ 0	$ 395

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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+ References + Details