Securities - Securities in Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2021 USD ($) security	Dec. 31, 2020 USD ($) security
Available for sale:
Available for sale, Total number in a loss position \| security	24	9
Available for sale, Less than 12 months, Estimated fair value	$ 19,472	$ 4,793
Available for sale, Less than 12 months, Unrealized loss	(40)	(20)
Available for sale, 12 months and greater, Estimated fair value	8,394	9,157
Available for sale, 12 Months and greater Unrealized loss	(369)	(1,098)
Available for sale, Estimated fair value	27,866	13,950
Available for sale, Unrealized loss	$ (409)	$ (1,118)
Held to maturity:
Held to maturity, Total number in a loss position \| security	4
Held to maturity, Less than 12 months Estimated fair value	$ 10,756
Held to maturity, Less than 12 months Unrealized loss	(75)
Held to maturity, Total Estimated fair value	10,756
Held to maturity, Total Unrealized loss	$ (75)
U.S. Government sponsored entities
Held to maturity:
Held to maturity, Total number in a loss position \| security	3
Held to maturity, Less than 12 months Estimated fair value	$ 9,933
Held to maturity, Less than 12 months Unrealized loss	(67)
Held to maturity, Total Estimated fair value	9,933
Held to maturity, Total Unrealized loss	$ (67)
State and political subdivisions
Available for sale:
Available for sale, Total number in a loss position \| security	1
Available for sale, Less than 12 months, Estimated fair value	$ 370
Available for sale, Less than 12 months, Unrealized loss	(8)
Available for sale, Estimated fair value	370
Available for sale, Unrealized loss	$ (8)
Residential mortgage-backed securities
Available for sale:
Available for sale, Total number in a loss position \| security	8
Available for sale, Less than 12 months, Estimated fair value	$ 1,821
Available for sale, Less than 12 months, Unrealized loss	(13)
Available for sale, Estimated fair value	1,821
Available for sale, Unrealized loss	$ (13)
Held to maturity:
Held to maturity, Total number in a loss position \| security	1
Held to maturity, Less than 12 months Estimated fair value	$ 823
Held to maturity, Less than 12 months Unrealized loss	(8)
Held to maturity, Total Estimated fair value	823
Held to maturity, Total Unrealized loss	$ (8)
Corporate and other securities
Available for sale:
Available for sale, Total number in a loss position \| security	15	9
Available for sale, Less than 12 months, Estimated fair value	$ 17,281	$ 4,793
Available for sale, Less than 12 months, Unrealized loss	(19)	(20)
Available for sale, 12 months and greater, Estimated fair value	8,394	9,157
Available for sale, 12 Months and greater Unrealized loss	(369)	(1,098)
Available for sale, Estimated fair value	25,675	13,950
Available for sale, Unrealized loss	$ (388)	$ (1,118)

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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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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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), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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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), in unrealized loss position without allowance for credit loss.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

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Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired.

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