| Dec 31,
2010 | Dec 31,
2012 | Dec 31,
2013 | Dec 31,
2014 | Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net income | 38 | 92 | 101 | 104 | 117 | 134 | 96 | 191 | 238 | 226 | 278 | 428 | 582 | 539 |
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| Depreciation | 9 | 11 | 11 | 12 | 14 | 17 | 22 | 24 | 27 | 29 | 27 | 36 | 38 | 38 |
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| Amortization of Intangible Assets | 6 | 8 | 8 | 9 | 12 | 12 | 12 | 14 | 17 | 14 | 11 | 26 | 24 | 28 |
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| Amortization of tax credit investments | - | - | - | - | - | - | - | -23 | -3 | -19 | -7 | -11 | -15 | -13 |
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| Net premium amortization on investment securities | -8 | -14 | -17 | -15 | -19 | -19 | -15 | -14 | -19 | -19 | -16 | -19 | -7 | -10 |
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| Accretion income related to acquired loans | - | - | - | - | - | - | - | 41 | 43 | 23 | 17 | 72 | 22 | 43 |
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| Share-based compensation expense | - | 3 | 4 | 4 | 4 | 7 | 6 | 8 | 8 | 8 | 7 | 29 | 28 | 32 |
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| Provision for credit losses | - | - | - | - | - | - | - | - | - | - | - | - | 59 | 111 |
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| Debt securities (gains) losses, net | - | - | - | - | - | - | - | 2 | 2 | 11 | 4 | -0 | -6 | -0 |
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| Gain on sale of Visa Class B restricted shares | - | - | - | - | - | - | - | - | - | - | - | - | 22 | - |
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| Gain on sale of health savings accounts | - | - | - | - | - | - | - | - | - | - | - | 91 | - | - |
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| Net (gains) losses on sales of loans and other assets | - | - | - | - | - | - | - | 2 | 7 | 24 | 37 | -13 | 3 | 8 |
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| Increase in cash surrender value of company-owned life insurance | 4 | 6 | 7 | 7 | 9 | 8 | 9 | 11 | 12 | 12 | 11 | 15 | 15 | 21 |
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| Residential real estate loans originated for sale | 58 | 87 | 143 | 149 | 351 | 638 | 453 | 502 | 855 | 1,432 | 1,215 | 570 | 473 | 890 |
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| Proceeds from Sale, Loan, Mortgage, Held-for-Sale | 73 | 84 | 152 | 148 | 362 | 579 | 535 | 515 | 834 | 1,455 | 1,275 | 621 | 473 | 903 |
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| (Increase) decrease in interest receivable | -6 | 0 | 3 | 5 | 8 | 5 | -0 | -2 | -4 | 0 | -1 | 53 | 35 | -4 |
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| (Increase) decrease in other assets | -17 | -15 | 15 | -20 | -16 | -46 | -45 | -2 | -23 | 105 | -3 | 41 | 66 | 54 |
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| Increase (Decrease) in Other Operating Liabilities | -18 | -15 | 12 | 14 | -26 | -25 | 12 | 0 | -25 | 20 | 17 | 327 | -80 | -40 |
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| Net cash flows provided by (used in) operating activities | 97 | 114 | 165 | - | - | - | - | 234 | 234 | 220 | 330 | 814 | 516 | 622 |
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| Cash received from merger, net | - | 79 | 530 | -3 | - | - | - | - | - | - | - | 1,913 | - | 178 |
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| Sale of health savings accounts | - | - | - | - | - | - | - | - | - | - | - | 291 | - | - |
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| Purchases of investment securities available-for-sale | - | - | - | - | - | - | - | 663 | 2,366 | 2,803 | 3,322 | 1,439 | 1,084 | 1,842 |
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| Purchases of investment securities held-to-maturity | 256 | - | 32 | 103 | 75 | - | - | - | - | - | - | 171 | 2 | - |
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| Purchases of Federal Home Loan Bank/Federal Reserve Bank stock | - | - | - | - | - | - | - | 23 | 21 | 10 | - | 147 | 99 | 13 |
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| Purchases of equity securities | - | - | - | - | - | - | - | - | - | - | 11 | 6 | 28 | 7 |
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| Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale | 1,046 | 592 | 633 | 469 | 765 | 1,177 | 439 | 419 | 1,175 | 1,990 | 1,512 | 1,285 | 1,066 | 1,082 |
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| Proceeds from Sale of Debt Securities, Available-for-Sale | - | - | - | - | - | - | - | 139 | 424 | 300 | 199 | 20 | 97 | 301 |
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| Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities | 151 | 32 | 25 | 16 | 40 | 121 | 58 | 56 | 116 | - | - | 84 | 95 | 73 |
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| Proceeds from Sale of Restricted Investments | - | - | - | - | - | - | - | 2 | 0 | 5 | 0 | 109 | 48 | 14 |
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| Proceeds from sales of equity securities | - | - | - | - | - | - | 0 | 0 | 0 | 39 | 1 | 53 | 25 | 3 |
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| Loan originations and payments, net | - | - | - | - | - | - | - | - | - | - | - | - | 2,674 | 1,215 |
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| Proceeds from sales of commercial loans | 4 | 2 | - | - | - | - | - | - | - | - | - | - | 758 | 63 |
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| Proceeds from Life Insurance Policy | - | - | - | - | - | 4 | 2 | 7 | 7 | 5 | 3 | 10 | 16 | 21 |
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| Proceeds from Sale of Property, Plant, and Equipment | 0 | 3 | 3 | 3 | 8 | 6 | 19 | 7 | 4 | 8 | 29 | 4 | 4 | 2 |
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| Purchases of premises and equipment and other assets | 7 | 19 | 19 | 20 | 86 | 225 | 37 | 33 | 37 | 31 | 49 | 38 | 38 | 30 |
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| Net cash flows provided by (used in) investing activities | 437 | -12 | 101 | - | - | - | - | -271 | -525 | -2,141 | -1,432 | -1,686 | -1,819 | -1,372 |
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| Deposits | - | -118 | -455 | -305 | 89 | 490 | 85 | 262 | 203 | 2,484 | 1,532 | -436 | 2,234 | 1,028 |
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| Federal funds purchased and interbank borrowings | - | - | - | - | - | 78 | -76 | 65 | -80 | 349 | 1 | -581 | 581 | 0 |
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| Securities sold under agreements to repurchase | - | - | - | - | - | - | - | - | - | - | - | -95 | -148 | -16 |
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| Other borrowings | - | - | - | - | - | - | - | -2 | -4 | 4 | 36 | 177 | 17 | -110 |
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| Payments for maturities of Federal Home Loan Bank advances | - | - | - | - | - | 595 | 948 | 1,002 | 378 | 752 | 147 | 2,103 | 2,250 | 1,300 |
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| Proceeds from Federal Home Loan Bank advances | - | - | - | - | - | 925 | 1,205 | 995 | 575 | 950 | 50 | 2,900 | 2,700 | 1,400 |
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| Cash dividends paid | 24 | 35 | 40 | 48 | 56 | 68 | 73 | 82 | 89 | 93 | 93 | - | 180 | 191 |
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| Common stock repurchased | 1 | 4 | 24 | 26 | 89 | 2 | 3 | 2 | 102 | 82 | 4 | 71 | 44 | 9 |
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| Common stock issued | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
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| Net cash flows provided by (used in) financing activities | -779 | -61 | -324 | - | - | - | - | 64 | 251 | 2,235 | 1,334 | 777 | 1,749 | 803 |
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| Net increase (decrease) in cash and cash equivalents | - | - | - | - | - | - | - | - | -41 | 313 | 232 | -94 | 447 | 53 |
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