Investments, Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Investment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Securities [Abstract]
Amortized cost	$ 482,073	$ 412,018
Gross unrealized gains	865	4,381
Gross unrealized losses	(21,467)	(3,997)
Fair value	461,471	412,402
U.S. Agency Securities [Member]
Debt Securities [Abstract]
Amortized cost	77,569	73,803
Gross unrealized gains	328	976
Gross unrealized losses	(3,365)	(834)
Fair value	74,532	73,945
U.S. Treasury Securities [Member]
Debt Securities [Abstract]
Amortized cost	153,953	116,743
Gross unrealized gains	52	63
Gross unrealized losses	(7,315)	(1,459)
Fair value	146,690	115,347
Obligations of State and Political Subdivisions [Member]
Debt Securities [Abstract]
Amortized cost	121,631	109,367
Gross unrealized gains	388	2,706
Gross unrealized losses	(4,029)	(52)
Fair value	117,990	112,021
Corporate Obligations [Member]
Debt Securities [Abstract]
Amortized cost	10,367	10,378
Gross unrealized gains	4	39
Gross unrealized losses	(323)	(84)
Fair value	10,048	10,333
Mortgage-backed Securities in Government Sponsored Entities [Member]
Debt Securities [Abstract]
Amortized cost	118,553	101,727
Gross unrealized gains	93	597
Gross unrealized losses	(6,435)	(1,568)
Fair value	$ 112,211	$ 100,756

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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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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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Amount 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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