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Investments - Unrealized Loss Position (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Schedule of Held-to-Maturity Securities [Line Items] |  |
Less than 12 months, Fair Value | $ 4,162 | $ 5,126
Less than 12 months, Unrealized Losses | (132) | (286)
12 Months or More, Fair Value | 8,703 | 6,671
12 Months or More, Unrealized Losses | (1,841) | (1,283)
Total, Fair Value | 12,865 | 11,797
Total, Unrealized Losses | (1,973) | (1,569)
Mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Less than 12 months, Fair Value | 722 | 2,374
Less than 12 months, Unrealized Losses | (34) | (190)
12 Months or More, Fair Value | 5,466 | 3,962
12 Months or More, Unrealized Losses | (1,008) | (635)
Total, Fair Value | 6,188 | 6,336
Total, Unrealized Losses | (1,042) | (825)
Collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Less than 12 months, Fair Value | 3,440 | 2,752
Less than 12 months, Unrealized Losses | (98) | (96)
12 Months or More, Fair Value | 3,237 | 2,709
12 Months or More, Unrealized Losses | (833) | (648)
Total, Fair Value | 6,677 | 5,461
Total, Unrealized Losses | $ (931) | $ (744)

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