Investment Securities - Cost and Equity Method Investments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investment [Line Items]
Federal home loan bank stock	$ 11,197,000	$ 13,413,000
Federal reserve bank stock	14,653,000	14,653,000
Equity Securities, FV-NI	1,859,000	2,129,000
Equity Securities without Readily Determinable Fair Value, Amount	14,725,000	4,689,000
Alternative Investment	44,657,000	26,384,000
Other Investments and Securities, at Cost	$ 87,091,000	$ 61,268,000
equity investment shares sold	22,160	86,770	79,697
Proceeds from Sale of Federal Home Loan Bank Stock	$ 2,200,000	$ 8,700,000	$ 8,000,000
equity investment purchased, shares			0
Gain on equity securities, net	2,955,000	5,011,000	$ 2,182,000
Alternative Investment, income recognized	2,400,000	4,500,000	2,400,000
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	871,000
Investments [Member]
Investment [Line Items]
Gain on equity securities, net	$ 601,000	$ (552,000)	$ (239,000)