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Investment Securities - Schedule of Unrealized Loss on Investments and Fair Value for Securities for Which Allowance for Credit Losses has not been Recorded (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value $ 13,064 $ 59,240
Available-for-sale, less than 12 months, unrealized losses (790) (2,946)
Available-for-sale, 12 months or more, fair value 109,188 69,650
Available-for-sale, 12 months or more, unrealized losses (11,771) (8,150)
Held-to-maturity, less than 12 months, fair value   1,413
Held-to-maturity, less than 12 months, unrealized losses   (60)
Held-to-maturity, 12 months or more, fair value 1,383 356
Held-to-maturity, 12 months or more, unrealized losses (88) (33)
Residential Mortgage Backed Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value 8,401 19,876
Available-for-sale, less than 12 months, unrealized losses (436) (952)
Available-for-sale, 12 months or more, fair value 31,062 23,903
Available-for-sale, 12 months or more, unrealized losses (3,355) (2,752)
Commercial Mortgage Backed Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value 3,882 9,720
Available-for-sale, less than 12 months, unrealized losses (135) (357)
Available-for-sale, 12 months or more, fair value 5,624 1,247
Available-for-sale, 12 months or more, unrealized losses (398) (123)
Held-to-maturity, less than 12 months, fair value   1,126
Held-to-maturity, less than 12 months, unrealized losses   (41)
Held-to-maturity, 12 months or more, fair value 817  
Held-to-maturity, 12 months or more, unrealized losses (34)  
US Government Agencies Debt Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, 12 months or more, fair value 4,312 4,270
Available-for-sale, 12 months or more, unrealized losses (800) (846)
Held-to-maturity, less than 12 months, fair value   214
Held-to-maturity, less than 12 months, unrealized losses   (7)
Held-to-maturity, 12 months or more, fair value 505 356
Held-to-maturity, 12 months or more, unrealized losses (43) (33)
US States and Political Subdivisions Debt Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value   1,559
Available-for-sale, less than 12 months, unrealized losses   (41)
Available-for-sale, 12 months or more, fair value 1,556 513
Available-for-sale, 12 months or more, unrealized losses (88) (53)
Held-to-maturity, less than 12 months, fair value   73
Held-to-maturity, less than 12 months, unrealized losses   (12)
Held-to-maturity, 12 months or more, fair value 61  
Held-to-maturity, 12 months or more, unrealized losses (11)  
Corporate Notes [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value 781 6,845
Available-for-sale, less than 12 months, unrealized losses (219) (898)
Available-for-sale, 12 months or more, fair value 13,586 8,075
Available-for-sale, 12 months or more, unrealized losses (3,202) (1,000)
US Treasury Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value   21,240
Available-for-sale, less than 12 months, unrealized losses   (698)
Available-for-sale, 12 months or more, fair value 53,048 31,642
Available-for-sale, 12 months or more, unrealized losses $ (3,928) $ (3,376)