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Allowance for Credit Losses - By Loan Class (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | $ 154,983 | $ 148,609 | $ 156,537 | $ 157,069 | $ 157,069
Losses charged to allowance |  | (2,025) | (2,371) | (14,002) | (34,455) |
Recoveries credited to allowance |  | 721 | 1,259 | 3,417 | 3,134 |
Net (losses) recoveries charged to allowance |  | (1,304) | (1,112) | (10,585) | (31,321) |
Credit loss expense |  | 1,827 | 8,602 | 9,554 | 30,351 |
Balance at the end of the period |  | 155,506 | 156,099 | 155,506 | 156,099 | 156,537
Commercial, financial and agricultural | Commercial |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Charge-down due to customer filing bankruptcy | $ 25,600 |  |  |  |  |
Commercial, financial and agricultural | Domestic | Commercial |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 28,414 | 27,255 | 29,853 | 35,550 | 35,550
Losses charged to allowance |  | (1,968) | (2,329) | (5,505) | (32,049) | (34,149)
Recoveries credited to allowance |  | 625 | 1,231 | 3,072 | 3,020 |
Net (losses) recoveries charged to allowance |  | (1,343) | (1,098) | (2,433) | (29,029) |
Credit loss expense |  | 1,585 | 3,723 | 1,236 | 23,359 |
Balance at the end of the period |  | 28,656 | 29,880 | 28,656 | 29,880 | 29,853
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 46,660 | 44,888 | 43,990 | 42,703 | 42,703
Recoveries credited to allowance |  | 71 | 6 | 183 | 16 |
Net (losses) recoveries charged to allowance |  | 71 | 6 | 183 | 16 |
Credit loss expense |  | 3,471 | (510) | 6,029 | 1,665 |
Balance at the end of the period |  | 50,202 | 44,384 | 50,202 | 44,384 | 43,990
Commercial, financial and agricultural | Domestic | Commercial Real Estate Multifamily Receivable [Member] |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 8,000 | 3,528 | 4,869 | 5,088 | 5,088
Credit loss expense |  | 2,740 | 4 | 5,871 | (1,556) |
Balance at the end of the period |  | 10,740 | 3,532 | 10,740 | 3,532 | 4,869
Commercial real estate | Domestic | Commercial real estate construction development |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 54,065 | 54,840 | 60,639 | 55,291 | 55,291
Losses charged to allowance |  |  |  | (8,121) | (2,228) | (2,228)
Net (losses) recoveries charged to allowance |  |  |  | (8,121) | (2,228) |
Credit loss expense |  | (7,019) | 5,182 | (5,472) | 6,959 |
Balance at the end of the period |  | 47,046 | 60,022 | 47,046 | 60,022 | 60,639
Real estate - mortgage | Domestic | Residential First Lien |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 6,242 | 5,806 | 5,528 | 5,812 | 5,812
Losses charged to allowance |  |  |  | (49) | (46) | (46)
Recoveries credited to allowance |  | 9 | 2 | 24 | 38 |
Net (losses) recoveries charged to allowance |  | 9 | 2 | (25) | (8) |
Credit loss expense |  | 210 | 214 | 958 | 218 |
Balance at the end of the period |  | 6,461 | 6,022 | 6,461 | 6,022 | 5,528
Real estate - mortgage | Domestic | Residential Junior Lien |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 9,998 | 10,639 | 10,031 | 11,024 | 11,024
Losses charged to allowance |  | (1) |  | (203) |  |
Recoveries credited to allowance |  | 8 | 13 | 124 | 48 |
Net (losses) recoveries charged to allowance |  | 7 | 13 | (79) | 48 |
Credit loss expense |  | (185) | (70) | (132) | (490) |
Balance at the end of the period |  | 9,820 | 10,582 | 9,820 | 10,582 | 10,031
Consumer | Domestic |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 273 | 314 | 281 | 318 | 318
Losses charged to allowance |  | (56) | (42) | (124) | (132) | (185)
Recoveries credited to allowance |  | 8 | 6 | 14 | 11 |
Net (losses) recoveries charged to allowance |  | (48) | (36) | (110) | (121) |
Credit loss expense |  | 46 | 14 | 100 | 95 |
Balance at the end of the period |  | 271 | 292 | 271 | 292 | 281
Foreign | Foreign |  |  |  |  |  |
Rollforward of transactions in the allowance for credit loan losses by loan class |  |  |  |  |  |
Balance at the beginning of the period |  | 1,331 | 1,339 | 1,346 | 1,283 | 1,283
Recoveries credited to allowance |  |  | 1 |  | 1 |
Net (losses) recoveries charged to allowance |  |  | 1 |  | 1 |
Credit loss expense |  | 979 | 45 | 964 | 101 |
Balance at the end of the period |  | $ 2,310 | $ 1,385 | $ 2,310 | $ 1,385 | $ 1,346

X
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