Commitments and Contingent Liabilities - Changes in Allowance for Indemnifications Losses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in the allowance for indemnification losses
Net reversal of provision for indemnification losses	$ (585,000)	$ (858,000)	$ (104,000)
Indemnification reserve for recourse provisions
Change in the allowance for indemnification losses
Allowance, beginning of period	2,394,000	3,252,000
Net reversal of provision for indemnification losses	(585,000)	(858,000)
Allowance, end of period	$ 1,809,000	$ 2,394,000	$ 3,252,000