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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
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | $ 36,303 | $ 35,449 | $ 36,515 | $ 35,273
Loans charged-off | (1,262) | (686) | (2,632) | (1,720)
Recoveries of loans charged-off | 378 | 449 | 1,170 | 1,505
Net loans (charged-off) recovered | (884) | (237) | (1,462) | (215)
Provision for (reversal of) loan losses | 6,341 | 1,294 | 6,707 | 1,448
Balance at end of period | 41,760 | 36,506 | 41,760 | 36,506
Construction Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 3,395 | 3,399 | 3,164 | 3,787
Loans charged-off | 0 | 0 | (63) | 0
Recoveries of loans charged-off | 0 | 0 | 1 | 1
Net loans (charged-off) recovered | 0 | 0 | (62) | 1
Provision for (reversal of) loan losses | 1,019 | 136 | 1,312 | (253)
Balance at end of period | 4,414 | 3,535 | 4,414 | 3,535
1-4 Family Residential Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 2,660 | 2,024 | 2,173 | 1,866
Loans charged-off | 0 | (66) | (71) | (66)
Recoveries of loans charged-off | 62 | 4 | 108 | 96
Net loans (charged-off) recovered | 62 | (62) | 37 | 30
Provision for (reversal of) loan losses | 17 | 44 | 529 | 110
Balance at end of period | 2,739 | 2,006 | 2,739 | 2,006
Commercial Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 28,012 | 27,221 | 28,701 | 26,980
Loans charged-off | 0 | 0 | 0 | 0
Recoveries of loans charged-off | 0 | 0 | 1 | 81
Net loans (charged-off) recovered | 0 | 0 | 1 | 81
Provision for (reversal of) loan losses | 4,327 | 1,273 | 3,637 | 1,433
Balance at end of period | 32,339 | 28,494 | 32,339 | 28,494
Commercial loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 2,017 | 2,558 | 2,235 | 2,397
Loans charged-off | (744) | (192) | (1,113) | (369)
Recoveries of loans charged-off | 65 | 139 | 268 | 469
Net loans (charged-off) recovered | (679) | (53) | (845) | 100
Provision for (reversal of) loan losses | 731 | (272) | 679 | (264)
Balance at end of period | 2,069 | 2,233 | 2,069 | 2,233
Municipal loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 37 | 46 | 45 | 47
Loans charged-off | 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 | (17) | (2) | (25) | (3)
Balance at end of period | 20 | 44 | 20 | 44
Loans to individuals |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 182 | 201 | 197 | 196
Loans charged-off | (518) | (428) | (1,385) | (1,285)
Recoveries of loans charged-off | 251 | 306 | 792 | 858
Net loans (charged-off) recovered | (267) | (122) | (593) | (427)
Provision for (reversal of) loan losses | 264 | 115 | 575 | 425
Balance at end of period | $ 179 | $ 194 | $ 179 | $ 194

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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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