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Schedule of Available-for-sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Investment Holdings [Line Items]
Amortized cost	$ 480,784	$ 375,579
Gross unrealized gains	1,124	7,065
Gross unrealized losses	(14,925)	(1,927)
Estimated fair value	466,983	380,717
US Treasury Securities [Member]
Investment Holdings [Line Items]
Amortized cost	123,615	43,098
Gross unrealized gains
Gross unrealized losses	(3,733)	(423)
Estimated fair value	119,882	42,675
U.S. Federal Agency Obligations [Member]
Investment Holdings [Line Items]
Amortized cost	17,118	17,165
Gross unrealized gains	24	67
Gross unrealized losses	(129)	(37)
Estimated fair value	17,013	17,195
Municipal Obligations, Tax Exempt [Member]
Investment Holdings [Line Items]
Amortized cost	131,565	133,558
Gross unrealized gains	780	4,488
Gross unrealized losses	(1,430)	(62)
Estimated fair value	130,915	137,984
Municipal Obligations, Taxable [Member]
Investment Holdings [Line Items]
Amortized cost	46,733	39,011
Gross unrealized gains	305	1,171
Gross unrealized losses	(1,452)	(136)
Estimated fair value	45,586	40,046
Agency Mortgage-backed Securities [Member]
Investment Holdings [Line Items]
Amortized cost	161,753	142,747
Gross unrealized gains	15	1,339
Gross unrealized losses	(8,181)	(1,269)
Estimated fair value	$ 153,587	$ 142,817

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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