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INVESTMENT SECURITIES - Gross Unrealized Losses and Fair Value Aggregated by Investment Category and Length of Time in Continuous Unrealized Loss Position (Details) | Jun. 30, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Investment Securities |  |
Less than 12 months Fair Value | $ 16,399,000 | $ 67,109,000
Less than 12 months Unrealized Loss | (541,000) | (7,794,000)
12 months or more Fair Value | 121,319,000 | 75,424,000
12 months or more Unrealized Loss | (27,405,000) | (21,534,000)
Total Fair Value | 137,718,000 | 142,533,000
Total Unrealized Loss | $ (27,946,000) | $ (29,328,000)
Number of securities continuous unrealized loss position more than twelve months | security | 257 | 256
Collateralized mortgage obligations |  |
Investment Securities |  |
Less than 12 months Fair Value | $ 2,169,000 | $ 8,315,000
Less than 12 months Unrealized Loss | (31,000) | (364,000)
12 months or more Fair Value | 10,378,000 | 6,127,000
12 months or more Unrealized Loss | (2,385,000) | (1,984,000)
Total Fair Value | 12,547,000 | 14,442,000
Total Unrealized Loss | (2,416,000) | (2,348,000)
Agency mortgage-backed securities |  |
Investment Securities |  |
Less than 12 months Fair Value | 9,526,000 | 20,029,000
Less than 12 months Unrealized Loss | (418,000) | (1,308,000)
12 months or more Fair Value | 39,090,000 | 31,865,000
12 months or more Unrealized Loss | (6,286,000) | (5,600,000)
Total Fair Value | 48,616,000 | 51,894,000
Total Unrealized Loss | (6,704,000) | (6,908,000)
Municipal securities |  |
Investment Securities |  |
Less than 12 months Fair Value | 4,435,000 | 18,456,000
Less than 12 months Unrealized Loss | (92,000) | (5,438,000)
12 months or more Fair Value | 27,048,000 | 13,340,000
12 months or more Unrealized Loss | (9,857,000) | (5,358,000)
Total Fair Value | 31,483,000 | 31,796,000
Total Unrealized Loss | (9,949,000) | (10,796,000)
Corporate securities |  |
Investment Securities |  |
12 months or more Fair Value | 1,255,000 | 1,325,000
12 months or more Unrealized Loss | (245,000) | (175,000)
Total Fair Value | 1,255,000 | 1,325,000
Total Unrealized Loss | (245,000) | (175,000)
U.S. Government agency securities |  |
Investment Securities |  |
Less than 12 months Fair Value | 269,000 | 13,526,000
Less than 12 months Unrealized Loss |  | (474,000)
12 months or more Fair Value | 36,716,000 | 22,767,000
12 months or more Unrealized Loss | (8,468,000) | (8,417,000)
Total Fair Value | 36,985,000 | 36,293,000
Total Unrealized Loss | (8,468,000) | (8,891,000)
U.S. Treasury securities |  |
Investment Securities |  |
Less than 12 months Fair Value |  | 6,783,000
Less than 12 months Unrealized Loss |  | (210,000)
12 months or more Fair Value | 6,832,000 |
12 months or more Unrealized Loss | (164,000) |
Total Fair Value | 6,832,000 | 6,783,000
Total Unrealized Loss | $ (164,000) | $ (210,000)

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