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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | $ 36,332 | $ 35,524 | $ 36,515 | $ 35,273
Loans charged-off | (737) | (479) | (1,370) | (1,034)
Recoveries of loans charged-off | 430 | 516 | 792 | 1,056
Net loans (charged-off) recovered | (307) | 37 | (578) | 22
Provision for (reversal of) loan losses | 278 | (112) | 366 | 154
Balance at end of period | 36,303 | 35,449 | 36,303 | 35,449
Construction Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 3,152 | 3,604 | 3,164 | 3,787
Loans charged-off | (63) | 0 | (63) | 0
Recoveries of loans charged-off | 0 | 1 | 1 | 1
Net loans (charged-off) recovered | (63) | 1 | (62) | 1
Provision for (reversal of) loan losses | 306 | (206) | 293 | (389)
Balance at end of period | 3,395 | 3,399 | 3,395 | 3,399
1-4 Family Residential Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 2,314 | 1,982 | 2,173 | 1,866
Loans charged-off | (22) | 0 | (71) | 0
Recoveries of loans charged-off | 41 | 53 | 46 | 92
Net loans (charged-off) recovered | 19 | 53 | (25) | 92
Provision for (reversal of) loan losses | 327 | (11) | 512 | 66
Balance at end of period | 2,660 | 2,024 | 2,660 | 2,024
Commercial Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 28,721 | 27,225 | 28,701 | 26,980
Loans charged-off | 0 | 0 | 0 | 0
Recoveries of loans charged-off | 1 | 34 | 1 | 81
Net loans (charged-off) recovered | 1 | 34 | 1 | 81
Provision for (reversal of) loan losses | (710) | (38) | (690) | 160
Balance at end of period | 28,012 | 27,221 | 28,012 | 27,221
Commercial loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 1,901 | 2,454 | 2,235 | 2,397
Loans charged-off | (260) | (46) | (369) | (177)
Recoveries of loans charged-off | 143 | 114 | 203 | 330
Net loans (charged-off) recovered | (117) | 68 | (166) | 153
Provision for (reversal of) loan losses | 233 | 36 | (52) | 8
Balance at end of period | 2,017 | 2,558 | 2,017 | 2,558
Municipal loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 44 | 48 | 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 | (7) | (2) | (8) | (1)
Balance at end of period | 37 | 46 | 37 | 46
Loans to individuals |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 200 | 211 | 197 | 196
Loans charged-off | (392) | (433) | (867) | (857)
Recoveries of loans charged-off | 245 | 314 | 541 | 552
Net loans (charged-off) recovered | (147) | (119) | (326) | (305)
Provision for (reversal of) loan losses | 129 | 109 | 311 | 310
Balance at end of period | $ 182 | $ 201 | $ 182 | $ 201

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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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