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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, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | $ 35,524 | $ 41,454 | $ 35,273 | $ 49,006
Loans charged-off | 479 | 527 | 1,034 | 1,322
Recoveries of loans charged-off | 516 | 466 | 1,056 | 1,088
Net loans (charged-off) recovered | (37) | 61 | (22) | 234
Net loans (charged-off) recovered | (112) | 1,520 | 154 | (5,859)
Balance at end of period | 35,449 | 42,913 | 35,449 | 42,913
Construction Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 3,604 | 8,201 | 3,787 | 6,490
Loans charged-off | 0 | 0 | 0 | 0
Recoveries of loans charged-off | 1 | 0 | 1 | 1
Net loans (charged-off) recovered | (1) | 0 | (1) | (1)
Net loans (charged-off) recovered | (206) | (183) | (389) | 1,527
Balance at end of period | 3,399 | 8,018 | 3,399 | 8,018
1-4 Family Residential Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 1,982 | 2,508 | 1,866 | 2,270
Loans charged-off | 0 | 28 | 0 | 101
Recoveries of loans charged-off | 53 | 12 | 92 | 67
Net loans (charged-off) recovered | (53) | 16 | (92) | 34
Net loans (charged-off) recovered | (11) | 28 | 66 | 284
Balance at end of period | 2,024 | 2,520 | 2,024 | 2,520
Commercial Real Estate Loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 27,225 | 27,236 | 26,980 | 35,709
Loans charged-off | 0 | 0 | 0 | 0
Recoveries of loans charged-off | 34 | 1 | 81 | 1
Net loans (charged-off) recovered | (34) | (1) | (81) | (1)
Net loans (charged-off) recovered | (38) | 1,693 | 160 | (6,780)
Balance at end of period | 27,221 | 28,930 | 27,221 | 28,930
Commercial loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 2,454 | 3,108 | 2,397 | 4,107
Loans charged-off | 46 | 116 | 177 | 435
Recoveries of loans charged-off | 114 | 179 | 330 | 461
Net loans (charged-off) recovered | (68) | (63) | (153) | (26)
Net loans (charged-off) recovered | 36 | (74) | 8 | (1,036)
Balance at end of period | 2,558 | 3,097 | 2,558 | 3,097
Municipal loans |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 48 | 46 | 47 | 46
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
Net loans (charged-off) recovered | (2) | 1 | (1) | 1
Balance at end of period | 46 | 47 | 46 | 47
Loans to individuals |  |  |  |
Allowances for Loan Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 211 | 355 | 196 | 384
Loans charged-off | 433 | 383 | 857 | 786
Recoveries of loans charged-off | 314 | 274 | 552 | 558
Net loans (charged-off) recovered | 119 | 109 | 305 | 228
Net loans (charged-off) recovered | 109 | 55 | 310 | 145
Balance at end of period | $ 201 | $ 301 | $ 201 | $ 301

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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