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Investment Securities - Summary of Amortized Cost and Estimated Fair Value by Maturity of Company's Investment Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Debt and Equity Securities, FV-NI [Line Items] |  |
Available for sale, One Year or Less, Fair Value | $ 664 |
Available for sale, After One Year through Five Years, Fair Value | 143,525 |
Available for sale, After Five Years through Ten Years, Fair Value | 123,629 |
Available for sale, After Ten Years, Fair Value | 166,108 |
Total available for sale, Fair Value | 433,926 | $ 486,518
Held to maturity, One Year or Less, Fair Value | 0 |
Held to maturity, After One Year through Five Years, Fair Value | 1,066 |
Held to maturity, After Five Years through Ten Years, Fair Value | 0 |
Held to maturity, After Ten Years, Fair Value | 0 |
Total held to maturity, Fair Value | 1,066 | 1,072
Available for sale, Amortized Cost, One Year or Less | 668 |
Available for sale, Amortized Cost, After One Year through Five Years | 152,657 |
Available for sale, Amortized Cost, After Five Years through Ten Years | 134,689 |
Available for sale, Amortized Cost, After Ten Years | 189,343 |
Available for sale, Amortized Cost | 477,357 | 541,287
Held to maturity, Amortized Cost, One Year or Less | 0 |
Held to maturity, Amortized Cost, After One Year through Five Years | 1,065 |
Held to maturity, Amortized Cost, After Five Years through Ten Years | 0 |
Held to maturity, Amortized Cost, After Ten Years | 0 |
Held to maturity, Amortized Cost | 1,065 | 1,075
U.S. agency mortgage-backed |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Available for sale, One Year or Less, Fair Value | 234 |
Available for sale, After One Year through Five Years, Fair Value | 76,274 |
Available for sale, After Five Years through Ten Years, Fair Value | 79,811 |
Available for sale, After Ten Years, Fair Value | 127,534 |
Total available for sale, Fair Value | 283,853 |
Available for sale, Amortized Cost, One Year or Less | 236 |
Available for sale, Amortized Cost, After One Year through Five Years | 82,757 |
Available for sale, Amortized Cost, After Five Years through Ten Years | 85,306 |
Available for sale, Amortized Cost, After Ten Years | 146,270 |
Available for sale, Amortized Cost | 314,569 | 355,014
Collateralized mortgage obligations |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Available for sale, One Year or Less, Fair Value | 430 |
Available for sale, After One Year through Five Years, Fair Value | 60,299 |
Available for sale, After Five Years through Ten Years, Fair Value | 548 |
Available for sale, After Ten Years, Fair Value | 17,985 |
Total available for sale, Fair Value | 79,262 |
Available for sale, Amortized Cost, One Year or Less | 432 |
Available for sale, Amortized Cost, After One Year through Five Years | 62,779 |
Available for sale, Amortized Cost, After Five Years through Ten Years | 576 |
Available for sale, Amortized Cost, After Ten Years | 18,977 |
Available for sale, Amortized Cost | 82,764 | 91,217
Municipal bonds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Available for sale, One Year or Less, Fair Value | 0 |
Available for sale, After One Year through Five Years, Fair Value | 1,754 |
Available for sale, After Five Years through Ten Years, Fair Value | 24,584 |
Available for sale, After Ten Years, Fair Value | 20,336 |
Total available for sale, Fair Value | 46,674 |
Held to maturity, One Year or Less, Fair Value | 0 |
Held to maturity, After One Year through Five Years, Fair Value | 1,066 |
Held to maturity, After Five Years through Ten Years, Fair Value | 0 |
Held to maturity, After Ten Years, Fair Value | 0 |
Total held to maturity, Fair Value | 1,066 | 1,072
Available for sale, Amortized Cost, One Year or Less | 0 |
Available for sale, Amortized Cost, After One Year through Five Years | 1,889 |
Available for sale, Amortized Cost, After Five Years through Ten Years | 28,161 |
Available for sale, Amortized Cost, After Ten Years | 23,841 |
Available for sale, Amortized Cost | 53,891 | 67,476
Held to maturity, Amortized Cost, One Year or Less | 0 |
Held to maturity, Amortized Cost, After One Year through Five Years | 1,065 |
Held to maturity, Amortized Cost, After Five Years through Ten Years | 0 |
Held to maturity, Amortized Cost, After Ten Years | 0 |
Held to maturity, Amortized Cost | 1,065 | 1,075
U.S. government agency |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Available for sale, One Year or Less, Fair Value | 0 |
Available for sale, After One Year through Five Years, Fair Value | 5,198 |
Available for sale, After Five Years through Ten Years, Fair Value | 12,598 |
Available for sale, After Ten Years, Fair Value | 253 |
Total available for sale, Fair Value | 18,049 |
Available for sale, Amortized Cost, One Year or Less | 0 |
Available for sale, Amortized Cost, After One Year through Five Years | 5,232 |
Available for sale, Amortized Cost, After Five Years through Ten Years | 13,664 |
Available for sale, Amortized Cost, After Ten Years | 255 |
Available for sale, Amortized Cost | 19,151 | 20,600
Corporate bonds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Available for sale, One Year or Less, Fair Value | 0 |
Available for sale, After One Year through Five Years, Fair Value | 0 |
Available for sale, After Five Years through Ten Years, Fair Value | 6,088 |
Available for sale, After Ten Years, Fair Value | 0 |
Total available for sale, Fair Value | 6,088 |
Available for sale, Amortized Cost, One Year or Less | 0 |
Available for sale, Amortized Cost, After One Year through Five Years | 0 |
Available for sale, Amortized Cost, After Five Years through Ten Years | 6,982 |
Available for sale, Amortized Cost, After Ten Years | 0 |
Available for sale, Amortized Cost | $ 6,982 | $ 6,980

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 + Details
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