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SECURITIES - Available-for-sale Securities (Details) - USD ($) | Mar. 31, 2025 | Dec. 31, 2024
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Available-for-sale Securities |  |
Allowance for credit losses | $ 0 | $ 0
Available-for-sale securities, amortized cost | 450,837,000 | 449,923,000
Available-for-sale securities, gross unrealized holding gains | 445,000 | 263,000
Available-for-sale securities, gross unrealized holding losses | (42,819,000) | (47,806,000)
Available-for-sale debt securities, at fair value | 408,463,000 | 402,380,000
Obligations of the U.S. Treasury |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 8,062,000 | 8,067,000
Available-for-sale securities, gross unrealized holding gains | 0 | 0
Available-for-sale securities, gross unrealized holding losses | (778,000) | (949,000)
Available-for-sale debt securities, at fair value | 7,284,000 | 7,118,000
Obligations of U.S. Government agencies |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 9,819,000 | 10,154,000
Available-for-sale securities, gross unrealized holding gains | 0 | 0
Available-for-sale securities, gross unrealized holding losses | (896,000) | (1,129,000)
Available-for-sale debt securities, at fair value | 8,923,000 | 9,025,000
Bank holding company debt securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 28,959,000 | 28,958,000
Available-for-sale securities, gross unrealized holding gains | 0 | 0
Available-for-sale securities, gross unrealized holding losses | (3,015,000) | (3,712,000)
Available-for-sale debt securities, at fair value | 25,944,000 | 25,246,000
Obligations Of States And Political Subdivisions Tax Exempt |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 110,721,000 | 111,995,000
Available-for-sale securities, gross unrealized holding gains | 197,000 | 238,000
Available-for-sale securities, gross unrealized holding losses | (11,770,000) | (10,931,000)
Available-for-sale debt securities, at fair value | 99,148,000 | 101,302,000
Obligations Of States And Political Subdivisions Taxable |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 51,075,000 | 51,147,000
Available-for-sale securities, gross unrealized holding gains | 0 | 0
Available-for-sale securities, gross unrealized holding losses | (7,488,000) | (8,641,000)
Available-for-sale debt securities, at fair value | 43,587,000 | 42,506,000
Residential Passthrough Securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 105,642,000 | 104,378,000
Available-for-sale securities, gross unrealized holding gains | 112,000 | 6,000
Available-for-sale securities, gross unrealized holding losses | (8,277,000) | (9,970,000)
Available-for-sale debt securities, at fair value | 97,477,000 | 94,414,000
Residential Collateralized Mortgage Obligations |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 54,923,000 | 53,389,000
Available-for-sale securities, gross unrealized holding gains | 136,000 | 10,000
Available-for-sale securities, gross unrealized holding losses | (2,911,000) | (3,505,000)
Available-for-sale debt securities, at fair value | 52,148,000 | 49,894,000
Commercial Mortgage Backed Securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 73,232,000 | 73,470,000
Available-for-sale securities, gross unrealized holding gains | 0 | 0
Available-for-sale securities, gross unrealized holding losses | (7,679,000) | (8,969,000)
Available-for-sale debt securities, at fair value | 65,553,000 | 64,501,000
Private label commercial mortgage-backed securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 8,404,000 | 8,365,000
Available-for-sale securities, gross unrealized holding gains | 0 | 9,000
Available-for-sale securities, gross unrealized holding losses | (5,000) | 0
Available-for-sale debt securities, at fair value | $ 8,399,000 | $ 8,374,000

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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Amount, before tax, of unrealized loss 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 + Details
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