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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 | Mar. 31, 2023 | Dec. 31, 2022
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Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | $ 16,145 | $ 59,240
Available-for-sale, less than 12 months, unrealized losses | (977) | (2,946)
Available-for-sale, 12 months or more, fair value | 109,996 | 69,650
Available-for-sale, 12 months or more, unrealized losses | (10,536) | (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 | 1,599 | 356
Held-to-maturity, 12 months or more, unrealized losses | (83) | (33)
Residential Mortgage Backed Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | 9,554 | 19,876
Available-for-sale, less than 12 months, unrealized losses | (407) | (952)
Available-for-sale, 12 months or more, fair value | 32,233 | 23,903
Available-for-sale, 12 months or more, unrealized losses | (3,139) | (2,752)
Commercial Mortgage Backed Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | 4,026 | 9,720
Available-for-sale, less than 12 months, unrealized losses | (135) | (357)
Available-for-sale, 12 months or more, fair value | 6,257 | 1,247
Available-for-sale, 12 months or more, unrealized losses | (364) | (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 | 972 |
Held-to-maturity, 12 months or more, unrealized losses | (31) |
US Government Agencies Debt Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, 12 months or more, fair value | 4,375 | 4,270
Available-for-sale, 12 months or more, unrealized losses | (739) | (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 | 559 | 356
Held-to-maturity, 12 months or more, unrealized losses | (42) | (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 | 1,574 | 513
Available-for-sale, 12 months or more, unrealized losses | (81) | (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 | 68 |
Held-to-maturity, 12 months or more, unrealized losses | (10) |
Corporate Notes [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | 2,565 | 6,845
Available-for-sale, less than 12 months, unrealized losses | (435) | (898)
Available-for-sale, 12 months or more, fair value | 12,089 | 8,075
Available-for-sale, 12 months or more, unrealized losses | (2,714) | (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 | 53,468 | 31,642
Available-for-sale, 12 months or more, unrealized losses | $ (3,499) | $ (3,376)

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 + Details
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