Investment Securities - Schedule of Gross Gains and Gross Losses Realized and Impairment on Investment Securities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Realized gains on investment securities	$ 1,136,000	$ 461,000	$ 1,252,000
Realized losses on investment securities	(71,000)	(22,000)	(173,000)
Net realized gains on investment securities	1,065,000	439,000	1,079,000
Unrealized gains on equity securities with readily determinable fair value	5,428,000	1,154,000	2,688,000
Unrealized losses on equity securities with readily determinable fair value	(4,280,000)	(9,862,000)	(2,411,000)
Net unrealized gains (losses) on equity securities with readily determinable fair value	1,148,000	(8,708,000)	277,000
Upward adjustments of equity securities without readily determinable fair values	0	0	0
Downward adjustments of equity securities without readily determinable fair values	0	0	0
Impairment of equity securities without readily determinable fair values	(688,000)	(12,158,000)	(2,415,000)
Adjustment and impairment, net, of equity securities without readily determinable fair values	(688,000)	(12,158,000)	(2,415,000)
Gains (losses) on investment securities, net	1,525,000	(20,427,000)	(1,059,000)
Proceeds from sales of equity securities with readily determinable fair value	23,592,000	31,753,000	9,759,000
Proceeds from sales and capital distributions of equity securities without readily determinable fair value	$ 67,000	$ 1,330,000	$ 2,685,000