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Allowance for Credit Losses (By Loan Class) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | $ 133,557 | $ 110,227 | $ 125,972 | $ 110,374
Losses charged to allowance | (2,982) | (2,092) | (5,015) | (4,421)
Recoveries credited to allowance | 1,112 | 702 | 2,143 | 1,403
Net (losses) recoveries charged to allowance | (1,870) | (1,390) | (2,872) | (3,018)
Credit loss expense | 8,816 | 3,735 | 17,403 | 5,216
Balance at the end of the period | 140,503 | 112,572 | 140,503 | 112,572
Commercial, financial and agricultural | Domestic | Commercial. |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 27,788 | 23,901 | 26,728 | 23,178
Losses charged to allowance | (2,792) | (2,001) | (4,763) | (4,113)
Recoveries credited to allowance | 556 | 508 | 1,181 | 1,110
Net (losses) recoveries charged to allowance | (2,236) | (1,493) | (3,582) | (3,003)
Credit loss expense | 2,093 | 3,169 | 4,499 | 5,402
Balance at the end of the period | 27,645 | 25,577 | 27,645 | 25,577
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 36,556 | 34,854 | 36,474 | 35,654
Recoveries credited to allowance | 6 | 6 | 11 | 14
Net (losses) recoveries charged to allowance | 6 | 6 | 11 | 14
Credit loss expense | 2,126 | 410 | 2,203 | (398)
Balance at the end of the period | 38,688 | 35,270 | 38,688 | 35,270
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 3,984 | 3,062 | 3,794 | 3,291
Credit loss expense | 122 | (206) | 312 | (435)
Balance at the end of the period | 4,106 | 2,856 | 4,106 | 2,856
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 50,933 | 36,372 | 44,684 | 35,390
Losses charged to allowance |  |  |  | (2)
Recoveries credited to allowance | 526 | 1 | 837 | 3
Net (losses) recoveries charged to allowance | 526 | 1 | 837 | 1
Credit loss expense | 1,605 | 340 | 7,543 | 1,322
Balance at the end of the period | 53,064 | 36,713 | 53,064 | 36,713
Real estate - mortgage | Domestic | Residential: first lien |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 4,559 | 4,016 | 4,759 | 4,073
Losses charged to allowance |  | (57) |  | (156)
Recoveries credited to allowance | 1 | 168 | 8 | 198
Net (losses) recoveries charged to allowance | 1 | 111 | 8 | 42
Credit loss expense | 532 | 10 | 325 | 22
Balance at the end of the period | 5,092 | 4,137 | 5,092 | 4,137
Real estate - mortgage | Domestic | Residential Junior Lien |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 8,357 | 7,046 | 8,284 | 7,754
Losses charged to allowance | (164) |  | (165) | (28)
Recoveries credited to allowance | 15 | 14 | 92 | 62
Net (losses) recoveries charged to allowance | (149) | 14 | (73) | 34
Credit loss expense | 2,234 | (166) | 2,231 | (894)
Balance at the end of the period | 10,442 | 6,894 | 10,442 | 6,894
Consumer | Domestic |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 291 | 264 | 281 | 272
Losses charged to allowance | (26) | (34) | (87) | (122)
Recoveries credited to allowance | 8 | 5 | 14 | 16
Net (losses) recoveries charged to allowance | (18) | (29) | (73) | (106)
Credit loss expense | 13 | 35 | 78 | 104
Balance at the end of the period | 286 | 270 | 286 | 270
Foreign. | Foreign |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at the beginning of the period | 1,089 | 712 | 968 | 762
Credit loss expense | 91 | 143 | 212 | 93
Balance at the end of the period | $ 1,180 | $ 855 | $ 1,180 | $ 855

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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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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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