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Loans and Allowance for Loan Losses - Allowance for Loan Losses Activity by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | $ 42,407 | $ 36,303 | $ 42,674 | $ 36,515 | $ 36,515
Loans charged-off | (773) | (1,262) | (2,128) | (2,632) | (4,204)
Recoveries of loans charged-off | 365 | 378 | 1,156 | 1,170 |
Net loans (charged-off) recovered | (408) | (884) | (972) | (1,462) |
Provision for (reversal of) loan losses | 2,277 | 6,341 | 2,574 | 6,707 |
Balance at end of period | 44,276 | 41,760 | 44,276 | 41,760 | 42,674
Construction Real Estate Loans |  |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 4,734 | 3,395 | 5,287 | 3,164 | 3,164
Loans charged-off | 0 | 0 | (24) | (63) | (92)
Recoveries of loans charged-off | 0 | 0 | 0 | 1 |
Net loans (charged-off) recovered | 0 | 0 | (24) | (62) |
Provision for (reversal of) loan losses | 421 | 1,019 | (108) | 1,312 |
Balance at end of period | 5,155 | 4,414 | 5,155 | 4,414 | 5,287
1-4 Family Residential Real Estate Loans |  |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 2,704 | 2,660 | 2,840 | 2,173 | 2,173
Loans charged-off | (133) | 0 | (261) | (71) | (119)
Recoveries of loans charged-off | 47 | 62 | 91 | 108 |
Net loans (charged-off) recovered | (86) | 62 | (170) | 37 |
Provision for (reversal of) loan losses | 172 | 17 | 120 | 529 |
Balance at end of period | 2,790 | 2,739 | 2,790 | 2,739 | 2,840
Commercial Real Estate Loans |  |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 31,841 | 28,012 | 32,266 | 28,701 | 28,701
Loans charged-off | 0 | 0 | 0 | 0 | (788)
Recoveries of loans charged-off | 1 | 0 | 4 | 1 |
Net loans (charged-off) recovered | 1 | 0 | 4 | 1 |
Provision for (reversal of) loan losses | 1,917 | 4,327 | 1,489 | 3,637 |
Balance at end of period | 33,759 | 32,339 | 33,759 | 32,339 | 32,266
Commercial loans |  |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 2,942 | 2,017 | 2,086 | 2,235 | 2,235
Loans charged-off | (127) | (744) | (494) | (1,113) | (1,283)
Recoveries of loans charged-off | 92 | 65 | 339 | 268 |
Net loans (charged-off) recovered | (35) | (679) | (155) | (845) |
Provision for (reversal of) loan losses | (507) | 731 | 469 | 679 |
Balance at end of period | 2,400 | 2,069 | 2,400 | 2,069 | 2,086
Municipal loans |  |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 18 | 37 | 19 | 45 | 45
Loans charged-off | 0 | 0 | 0 | 0 | 0
Recoveries of loans charged-off | 0 | 0 | 0 | 0 |
Net loans (charged-off) recovered | 0 | 0 | 0 | 0 |
Provision for (reversal of) loan losses | (3) | (17) | (4) | (25) |
Balance at end of period | 15 | 20 | 15 | 20 | 19
Loans to individuals |  |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 168 | 182 | 176 | 197 | 197
Loans charged-off | (513) | (518) | (1,349) | (1,385) | (1,922)
Recoveries of loans charged-off | 225 | 251 | 722 | 792 |
Net loans (charged-off) recovered | (288) | (267) | (627) | (593) |
Provision for (reversal of) loan losses | 277 | 264 | 608 | 575 |
Balance at end of period | $ 157 | $ 179 | $ 157 | $ 179 | $ 176

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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