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Investment Securities - Securities in Continuous Unrealized Loss Position (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	$ 138,925,000	$ 82,923,000
Available-for-sale, less than 12 months, unrealized losses	(9,585,000)	(731,000)
Available-for-sale, 12 months or more, fair value	340,000	3,417,000
Available-for-sale, 12 months or more, unrealized losses	(11,000)	(39,000)
Held-to-maturity, less than 12 months, fair value	2,249,000
Held-to-maturity, less than 12 months, unrealized losses	(95,000)	0
Residential Mortgage Backed Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	49,170,000	31,346,000
Available-for-sale, less than 12 months, unrealized losses	(3,731,000)	(240,000)
Available-for-sale, 12 months or more, fair value	213,000	253,000
Available-for-sale, 12 months or more, unrealized losses	(9,000)	(2,000)
Commercial Mortgage Backed Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	12,505,000	2,245,000
Available-for-sale, less than 12 months, unrealized losses	(479,000)	(12,000)
Available-for-sale, 12 months or more, fair value	1,000	2,970,000
Available-for-sale, 12 months or more, unrealized losses		(35,000)
Held-to-maturity, less than 12 months, fair value	1,510,000
Held-to-maturity, less than 12 months, unrealized losses	(30,000)
US Government Agencies Debt Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	4,365,000	4,987,000
Available-for-sale, less than 12 months, unrealized losses	(635,000)	(13,000)
Available-for-sale, 12 months or more, fair value	126,000	194,000
Available-for-sale, 12 months or more, unrealized losses	(2,000)	(2,000)
Held-to-maturity, less than 12 months, fair value	632,000
Held-to-maturity, less than 12 months, unrealized losses	(53,000)
US States and Political Subdivisions Debt Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	2,649,000	561,000
Available-for-sale, less than 12 months, unrealized losses	(101,000)	(10,000)
Held-to-maturity, less than 12 months, fair value	107,000
Held-to-maturity, less than 12 months, unrealized losses	(12,000)
Corporate Notes [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	16,567,000	9,092,000
Available-for-sale, less than 12 months, unrealized losses	(1,293,000)	(52,000)
US Treasury Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	53,669,000	34,692,000
Available-for-sale, less than 12 months, unrealized losses	$ (3,346,000)	$ (404,000)

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