Note 16 - Income Taxes (Tables)
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12 Months Ended |
Dec. 31, 2018 |
Notes Tables |
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Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | Year Ended December 31, | | | 2018 | | 2017 | | 2016 | | | (In Thousands) | Current tax expense: | | | | | | | | | | | | | Federal | | $ | 43,207 | | | $ | 27,952 | | | $ | 29,813 | | State | | | 2,950 | | | | 2,258 | | | | 1,254 | | Total current tax expense | | | 46,157 | | | | 30,210 | | | | 31,067 | | Deferred tax (benefit) expense: | | | | | | | | | | | | | Federal | | | (12,636 | ) | | | 17,073 | | | | (662 | ) | State | | | (1,619 | ) | | | (3,025 | ) | | | (1,066 | ) | Total deferred tax (benefit) expense | | | (14,255 | ) | | | 14,048 | | | | (1,728 | ) | Total income tax expense | | $ | 31,902 | | | $ | 44,258 | | | $ | 29,339 | |
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Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| | Year Ended December 31, 2018 | | | Amount | | % of Pre-tax Earnings | | | (In Thousands) | | | Income tax at statutory federal rate | | $ | 35,457 | | | | 21.00 | % | Effect on rate of: | | | | | | | | | State income tax, net of federal tax effect | | | 808 | | | | 0.48 | % | Tax-exempt income, net of expenses | | | (655 | ) | | | (0.39 | )% | Bank owned life insurance contracts | | | (657 | ) | | | (0.39 | )% | Excess tax benefit from stock compensation | | | (3,118 | ) | | | (1.84 | )% | Federal tax credits | | | (113 | ) | | | (0.07 | )% | Other | | | 180 | | | | 0.10 | % | Effective income tax and rate | | $ | 31,902 | | | | 18.89 | % |
| | Year Ended December 31, 2017 | | | Amount | | % of Pre-tax Earnings | | | (In Thousands) | | | Income tax at statutory federal rate | | $ | 48,073 | | | | 35.00 | % | Effect on rate of: | | | | | | | | | State income tax, net of federal tax effect | | | 43 | | | | 0.03 | % | Tax-exempt income, net of expenses | | | (1,356 | ) | | | (0.99 | )% | Bank owned life insurance contracts | | | (1,096 | ) | | | (0.80 | )% | Excess tax benefit from stock compensation | | | (4,278 | ) | | | (3.11 | )% | Federal tax credits | | | (234 | ) | | | (0.17 | )% | Enacted tax rate change | | | 3,108 | | | | 2.26 | | Other | | | (2 | ) | | | - | % | Effective income tax and rate | | $ | 44,258 | | | | 32.22 | % |
| | Year Ended December 31, 2016 | | | Amount | | % of Pre-tax Earnings | | | (In Thousands) | | | Income tax at statutory federal rate | | $ | 38,786 | | | | 35.00 | % | Effect on rate of: | | | | | | | | | State income tax, net of federal tax effect | | | 254 | | | | 0.23 | % | Tax-exempt income, net of expenses | | | (1,322 | ) | | | (1.20 | )% | Bank owned life insurance contracts | | | (978 | ) | | | (0.88 | )% | Incentive stock option expense | | | (4,788 | ) | | | (4.32 | )% | Federal tax credits | | | (2,652 | ) | | | (2.40 | )% | Other | | | 39 | | | | 0.04 | % | Effective income tax and rate | | $ | 29,339 | | | | 26.47 | % |
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Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| | December 31, | | | 2018 | | 2017 | | | (In Thousands) | Deferred tax assets: | | | | | | | | | Allowance for loan losses | | $ | 17,212 | | | $ | 14,905 | | Other real estate owned | | | 317 | | | | 232 | | Nonqualified equity awards | | | 788 | | | | 927 | | Nonaccrual interest | | | 311 | | | | 178 | | State tax credits | | | 6,791 | | | | 5,688 | | Investments | | | 1,130 | | | | 1,296 | | Deferred loan fees | | | 804 | | | | 866 | | Reserve for unfunded commitments | | | 135 | | | | 125 | | Accrued bonus | | | 2,025 | | | | 1,521 | | Differences in amounts reflected in financial statements and income tax basis of assets acquired and liabilities assumed in acquisition | | | 139 | | | | 175 | | Net unrealized loss on securities available for sale | | | 1,273 | | | | 65 | | Other deferred tax assets | | | 669 | | | | 431 | | Total deferred tax assets | | | 31,594 | | | | 26,409 | | | | | | | | | | | Deferred tax liabilities: | | | | | | | | | REIT dividend | | | - | | | | 9,706 | | Depreciation | | | 3,732 | | | | 3,240 | | Prepaid expenses | | | 376 | | | | 164 | | Acquired intangible assets | | | 209 | | | | 277 | | Total deferred tax liabilities | | | 4,317 | | | | 13,387 | | Net deferred tax assets | | $ | 27,277 | | | $ | 13,022 | |
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Summary of Income Tax Contingencies [Table Text Block] |
| | 2018 | | 2017 | | 2016 | | | (In Thousands) | Balance, beginning of year | | $ | 1,779 | | | $ | 1,375 | | | $ | 1,173 | | Increases related to prior year tax positions | | | 799 | | | | 365 | | | | 364 | | Decreases related to prior year tax positions | | | - | | | | - | | | | - | | Increases related to current year tax positions | | | - | | | | - | | | | - | | Settlements | | | - | | | | - | | | | - | | Enacted tax rate change | | | - | | | | 315 | | | | - | | Lapse of statute | | | (445 | ) | | | (276 | ) | | | (162 | ) | Balance, end of year | | $ | 2,133 | | | $ | 1,779 | | | $ | 1,375 | |
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