| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Loans, including fees | 446.16 | 455.76 | 448.30 | 389.19 | 356.59 | 377.40 | 397.63 | 293.28 | 214.13 | 192.99 |
| Accelerated accretion on acquired loans | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Dividends from FHLB stock | 1.71 | 1.55 | 1.86 | 1.21 | 1.02 | 0.98 | 1.24 | 2.05 | 1.38 | 2.22 |
| Investment securities:Taxable | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment securities:Tax-preferred | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment Securities: Available-for-Sale | 75.96 | 80.89 | 83.56 | 68.51 | 38.27 | 36.05 | 39.33 | 45.99 | 49.78 | 47.70 |
| Investment Securities: Held-to-Maturity | 51.37 | 53.15 | 54.75 | 49.05 | 22.18 | 14.22 | 17.39 | 18.90 | 21.02 | 20.23 |
| Interest-bearing deposits with other institutions | 18.11 | 38.77 | 17.86 | 6.71 | 2.57 | 1.68 | -- | 1.64 | -- | -- |
| Federal funds sold and Interest bearing deposits with other institutions | -- | -- | -- | -- | -- | -- | 2.27 | -- | 0.93 | 1.91 |
| Total Interest Income | 593.30 | 630.11 | 606.33 | 514.67 | 420.63 | 430.34 | 457.85 | 361.86 | 287.23 | 265.05 |
| Deposits | 101.29 | 105.48 | 51.54 | 6.83 | 5.35 | 12.60 | 17.12 | 9.83 | 6.04 | 5.96 |
| Short-term borrowings | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Long-term borrowings | 30.32 | 76.71 | 66.81 | 2.33 | 0.55 | 1.13 | 3.96 | 2.07 | 1.58 | 1.48 |
| Junior subordinated debentures | -- | -- | -- | -- | 0.19 | 0.55 | 1.00 | 0.92 | 0.67 | 0.54 |
| Other Borrowings | 1.40 | 0.57 | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Interest Expense | 133.01 | 182.77 | 118.34 | 9.16 | 6.08 | 14.28 | 22.08 | 12.82 | 8.30 | 7.98 |
| Net Interest Income | 460.29 | 447.35 | 487.99 | 505.51 | 414.55 | 416.05 | 435.77 | 349.05 | 278.93 | 257.07 |
| Provision For Loan/Credit Losses | (3.50) | (3.00) | 2.00 | 10.60 | (25.50) | 23.50 | 5.00 | 1.50 | (8.50) | (6.40) |
| Net interest income after provision for credit losses | 463.79 | 450.35 | 485.99 | 494.91 | 440.05 | 392.55 | 430.77 | 347.55 | 287.43 | 263.47 |
| Financial advisory services | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Wealth management services | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Service charges on deposit accounts | 19.46 | 20.37 | 20.22 | 21.38 | 17.15 | 16.56 | 20.01 | 17.07 | 15.81 | 15.07 |
| Gain/(Loss) on sale of securities, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment charge on investment securities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment services | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss on sale of AFS investment securities | (10.97) | (28.32) | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on Sale of Loans | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 | -- |
| Gain on Sale of Loans Held-for-Sale | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.10 |
| Trust Management services | 15.03 | 13.73 | 12.56 | 11.52 | 11.57 | 9.98 | 9.53 | 8.77 | 9.85 | 9.60 |
| Bankcard services | 2.71 | 1.65 | 1.63 | 1.47 | 1.79 | 1.89 | 3.16 | 3.49 | 3.41 | 2.92 |
| Other non-interest (loss) income | 15.18 | 8.72 | 12.18 | 7.55 | 7.01 | 11.28 | 9.96 | 6.59 | 9.64 | 4.26 |
| Gain on sale of other real estate owned | 2.30 | -- | -- | -- | 1.18 | 0.39 | 0.13 | 3.55 | -- | -- |
| BOLI income | 11.47 | 12.42 | 12.75 | 5.36 | 8.50 | 8.10 | 5.80 | 4.02 | 3.42 | 2.61 |
| Gain on sale of building | -- | -- | -- | 2.72 | 0.19 | 1.68 | 4.78 | -- | -- | -- |
| Gain from San Joaquin Bank acquisition | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Reduction in FDIC loss sharing asset | -- | -- | -- | -- | -- | -- | -- | -- | -- | (0.01) |
| Gain on eminent domain condemnation, net | -- | -- | -- | -- | -- | -- | 5.69 | -- | -- | -- |
| Gain on sale leaseback transactions | -- | 25.90 | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Non Interest Income | 55.17 | 54.47 | 59.33 | 49.99 | 47.39 | 49.87 | 59.04 | 43.48 | 42.12 | 35.55 |
| Salaries and employee benefits | 144.46 | 144.47 | 139.19 | 131.60 | 117.87 | 119.76 | 119.48 | 100.60 | 87.07 | 82.63 |
| Promotion | 6.88 | 7.31 | 6.76 | 6.30 | 4.62 | 4.49 | 5.89 | 5.30 | 4.84 | 5.03 |
| Occupancy and equipment | 23.82 | 23.41 | 22.11 | 22.74 | 19.76 | 20.62 | 21.29 | 20.84 | 16.76 | 15.64 |
| Deposit insurance premiums | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill and other intangibles | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of Intangibles | 4.19 | 5.32 | 6.45 | 7.57 | 8.24 | 9.35 | 10.80 | 5.25 | -- | -- |
| Other real estate owned expense | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Acquisition costs | 1.56 | -- | -- | 6.01 | 0.96 | -- | 6.45 | 16.40 | 2.25 | 1.90 |
| Provision for unfunded commitments | 2.00 | (1.25) | (0.50) | -- | (1.00) | -- | -- | (0.25) | (0.40) | (0.45) |
| Impairment loss on asset held-for-sale | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2.56 |
| Other | 27.96 | 28.54 | 32.75 | 19.48 | 19.78 | 17.92 | 17.26 | 16.63 | 17.92 | 17.40 |
| Equipment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Professional services | 9.25 | 10.48 | 9.08 | 9.36 | 7.97 | 9.46 | 7.75 | 6.48 | 5.94 | 5.05 |
| Data processing | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Stationery and supplies | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Software licenses and maintenance | 17.15 | 15.30 | 14.05 | 13.50 | 11.58 | 11.30 | 9.83 | 8.66 | 6.39 | 5.47 |
| Prepayment penalties on borrowings | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Debt termination | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.02 |
| Legal settlement | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 | 1.50 |
| Insurance reimbursements | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Non-Interest expense | 237.27 | 233.58 | 229.89 | 216.56 | 189.79 | 192.90 | 198.74 | 179.91 | 140.75 | 136.74 |
| Earnings before income taxes | 281.69 | 271.24 | 315.43 | 328.35 | 297.65 | 249.52 | 291.07 | 211.12 | 188.80 | 162.29 |
| Income taxes | 72.40 | 70.52 | 94.00 | 92.92 | 85.13 | 72.36 | 83.25 | 59.11 | 84.38 | 60.86 |
| Current provision:Federal | 48.85 | 41.56 | 63.26 | 60.76 | 44.51 | 48.33 | -- | -- | -- | 41.20 |
| Current provision:State | 25.34 | 24.80 | 35.08 | 35.43 | 27.53 | 28.47 | -- | -- | -- | 17.94 |
| Deferred provision(benefit):Federal | (3.01) | 3.46 | (2.91) | (2.50) | 8.78 | (3.00) | -- | -- | -- | 1.21 |
| Deferred provision(benefit):State | 1.22 | 0.71 | (1.42) | (0.77) | 4.31 | (1.44) | -- | -- | -- | 0.51 |
| Consolidated Net Income (Loss) | 209.30 | 200.72 | 221.44 | 235.43 | 212.52 | 177.16 | 207.83 | 152.00 | 104.41 | 101.43 |
| Preferred stock dividend | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net earnings allocated to restricted stock | 1.38 | 1.45 | 1.55 | 1.51 | 0.97 | 0.57 | 0.49 | 0.43 | 0.38 | 0.42 |
| NET INCOME(LOSS) AVAILABLE TO COMMON SHAREHOLDERS | 207.92 | 199.27 | 219.89 | 233.92 | 211.55 | 176.59 | 207.34 | 151.57 | 104.03 | 101.01 |
| Basic earnings (loss) per common share | 1.52 | 1.44 | 1.59 | 1.67 | 1.57 | 1.30 | 1.48 | 1.25 | 0.95 | 0.94 |
| Diluted earnings(Loss) per common share | 1.52 | 1.44 | 1.59 | 1.67 | 1.56 | 1.30 | 1.48 | 1.24 | 0.95 | 0.94 |
| Weighted Average Shares Outstanding (Basic) | 136.76 | 138.42 | 138.33 | 139.65 | 135.17 | 136.03 | 139.76 | 121.67 | 109.41 | 107.28 |
| Weighted Average Shares Outstanding (Diluted) | 137.05 | 138.58 | 138.46 | 140.01 | 135.38 | 136.21 | 139.93 | 121.96 | 109.81 | 107.69 |