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SECURITIES - Available-for-sale Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
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Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | $ 559,837 | $ 511,592
Available-for-sale securities, gross unrealized holding gains | 153 | 9,304
Available-for-sale securities, gross unrealized holding losses | (72,010) | (3,217)
Available-for-sale debt securities, fair value | 487,980 | 517,679
Obligations of the U.S. Treasury |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 35,155 | 25,058
Available-for-sale securities, gross unrealized holding gains | 0 | 52
Available-for-sale securities, gross unrealized holding losses | (3,556) | (198)
Available-for-sale debt securities, fair value | 31,599 | 24,912
Obligations of U.S. Government agencies |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 23,939 | 23,936
Available-for-sale securities, gross unrealized holding gains | 0 | 563
Available-for-sale securities, gross unrealized holding losses | (2,550) | (408)
Available-for-sale debt securities, fair value | 21,389 | 24,091
Bank holding company debt securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 28,944 | 18,000
Available-for-sale securities, gross unrealized holding gains | 0 | 18
Available-for-sale securities, gross unrealized holding losses | (3,512) | (31)
Available-for-sale debt securities, fair value | 25,432 | 17,987
Obligations Of States And Political Subdivisions Tax Exempt |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 146,847 | 143,427
Available-for-sale securities, gross unrealized holding gains | 153 | 4,749
Available-for-sale securities, gross unrealized holding losses | (20,290) | (148)
Available-for-sale debt securities, fair value | 126,710 | 148,028
Obligations Of States And Political Subdivisions Taxable |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 69,902 | 72,182
Available-for-sale securities, gross unrealized holding gains | 0 | 1,232
Available-for-sale securities, gross unrealized holding losses | (11,585) | (649)
Available-for-sale debt securities, fair value | 58,317 | 72,765
Residential Passthrough Securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 116,833 | 98,048
Available-for-sale securities, gross unrealized holding gains | 0 | 705
Available-for-sale securities, gross unrealized holding losses | (14,094) | (572)
Available-for-sale debt securities, fair value | 102,739 | 98,181
Residential Collateralized Mortgage Obligations |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 44,075 | 44,015
Available-for-sale securities, gross unrealized holding gains | 0 | 437
Available-for-sale securities, gross unrealized holding losses | (4,443) | (205)
Available-for-sale debt securities, fair value | 39,632 | 44,247
Commercial Mortgage Backed Securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 89,349 | 86,926
Available-for-sale securities, gross unrealized holding gains | 0 | 1,548
Available-for-sale securities, gross unrealized holding losses | (11,966) | (1,006)
Available-for-sale debt securities, fair value | 77,383 | $ 87,468
Private label commercial mortgage-backed securities |  |
Available-for-sale Securities |  |
Available-for-sale securities, amortized cost | 4,793 |
Available-for-sale securities, gross unrealized holding gains | 0 |
Available-for-sale securities, gross unrealized holding losses | (14) |
Available-for-sale debt securities, fair value | $ 4,779 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of 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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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