Securities - Amortized Cost to Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available for sale:
Available for sale at amortized cost	$ 98,577
Total		$ 101,188
Gross unrealized gains	149	138
Gross unrealized losses	(6,604)	(5,933)
Estimated fair value		95,393
Estimated fair value	92,122
Held to maturity:
Held to maturity, Amortized cost	35,956
Amortized cost		35,760
Gross unrealized gains	5	67
Gross unrealized losses	(8,806)	(7,249)
Estimated fair value	27,155	28,578
U.S. Government sponsored entities
Available for sale:
Available for sale at amortized cost	17,133
Total		16,961
Gross unrealized losses	(808)	(656)
Estimated fair value		16,305
Estimated fair value	16,325
Held to maturity:
Held to maturity, Amortized cost	28,000
Amortized cost		28,000
Gross unrealized losses	(6,096)	(5,310)
Estimated fair value	21,904	22,690
State and political subdivisions
Available for sale:
Available for sale at amortized cost	407
Total		635
Gross unrealized losses	(45)	(22)
Estimated fair value		613
Estimated fair value	362
Held to maturity:
Held to maturity, Amortized cost	1,158
Amortized cost		1,115
Gross unrealized gains	5	67
Gross unrealized losses	(3)
Estimated fair value	1,160	1,182
Residential mortgage-backed securities
Available for sale:
Available for sale at amortized cost	15,835
Total		17,097
Gross unrealized gains	28	32
Gross unrealized losses	(2,193)	(1,654)
Estimated fair value		15,475
Estimated fair value	13,670
Held to maturity:
Held to maturity, Amortized cost	6,798
Amortized cost		6,645
Gross unrealized losses	(2,707)	(1,939)
Estimated fair value	4,091	4,706
Corporate and other securities
Available for sale:
Available for sale at amortized cost	65,202
Total		66,495
Gross unrealized gains	121	106
Gross unrealized losses	(3,558)	(3,601)
Estimated fair value		$ 63,000
Estimated fair value	$ 61,765

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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