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Investments, Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Securities [Abstract]
Amortized cost	$ 264,843	$ 237,807
Gross unrealized gains	7,757	3,201
Gross unrealized losses	(240)	(302)
Fair value	272,360	240,706
U.S. Agency Securities [Member]
Debt Securities [Abstract]
Amortized cost	75,652	83,410
Gross unrealized gains	2,818	1,523
Gross unrealized losses	(34)	(70)
Fair value	78,436	84,863
U.S. Treasury Securities [Member]
Debt Securities [Abstract]
Amortized cost	27,418	27,394
Gross unrealized gains	839	267
Gross unrealized losses	0	0
Fair value	28,257	27,661
Obligations of State and Political Subdivisions [Member]
Debt Securities [Abstract]
Amortized cost	81,695	60,667
Gross unrealized gains	1,991	865
Gross unrealized losses	(159)	(77)
Fair value	83,527	61,455
Corporate Obligations [Member]
Debt Securities [Abstract]
Amortized cost	4,250	3,250
Gross unrealized gains	71	78
Gross unrealized losses	0	0
Fair value	4,321	3,328
Mortgage-backed Securities in Government Sponsored Entities [Member]
Debt Securities [Abstract]
Amortized cost	75,828	63,086
Gross unrealized gains	2,038	468
Gross unrealized losses	(47)	(155)
Fair value	$ 77,819	$ 63,399

X

- Definition

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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