Note 18 - Income Taxes (Tables)
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12 Months Ended |
Dec. 31, 2017 |
Notes Tables |
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Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | Year Ended December 31, | | | 2017 | | 2016 | | 2015 | | | (In Thousands) | Current tax expense: | | | | | | | | | | | | | Federal | | $ | 27,952 | | | $ | 29,813 | | | $ | 28,517 | | State | | | 2,258 | | | | 1,254 | | | | 1,824 | | Total current tax expense | | | 30,210 | | | | 31,067 | | | | 30,341 | | Deferred tax expense (benefit): | | | | | | | | | | | | | Federal | | | 17,073 | | | | (662 | ) | | | (3,277 | ) | State | | | (3,025 | ) | | | (1,066 | ) | | | (1,599 | ) | Total deferred tax (benefit) | | | 14,048 | | | | (1,728 | ) | | | (4,876 | ) | Total income tax expense | | $ | 44,258 | | | $ | 29,339 | | | $ | 25,465 | |
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Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| | 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 | % |
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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 | )% | Excess tax benefit from stock compensation | | | (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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Year Ended December 31, 2015
| | | Amount | | % of Pre-tax Earnings | | | (In Thousands) | Income tax at statutory federal rate | | $ | 31,152 | | | | 35.00 | % | Effect on rate of: | | | | | | | | | State income tax, net of federal tax effect | | | 146 | | | | 0.16 | % | Tax-exempt income, net of expenses | | | (1,308 | ) | | | (1.47 | )% | Bank owned life insurance contracts | | | (917 | ) | | | (1.03 | )% | Incentive stock option expense | | | 3 | | | | - | % | Federal tax credits | | | (3,600 | ) | | | (4.04 | )% | Other | | | (11 | ) | | | (0.01 | )% | Effective income tax and rate | | $ | 25,465 | | | | 28.61 | % |
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Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| | December 31, | | | 2017 | | 2016 | | | (In Thousands) | Deferred tax assets: | | | | | | | | | Allowance for loan losses | | $ | 14,905 | | | $ | 19,699 | | Other real estate owned | | | 232 | | | | 737 | | Nonqualified equity awards | | | 927 | | | | 1,234 | | Nonaccrual interest | | | 178 | | | | 501 | | State tax credits | | | 5,688 | | | | 3,475 | | Investments | | | 1,296 | | | | 2,173 | | Deferred loan fees | | | 866 | | | | 707 | | Reserve for unfunded commitments | | | 125 | | | | 190 | | Accrued bonus | | | 1,521 | | | | 1,817 | | Differences in amounts reflected in financial statements and income tax basis of assets acquired and liabilities assumed in acquisition | | | 175 | | | | 448 | | Acquired net operating losses | | | - | | | | 27 | | Net unrealized loss on securities available for sale | | | 65 | | | | 331 | | Other deferred tax assets | | | 431 | | | | 122 | | Total deferred tax assets | | | 26,409 | | | | 31,461 | | | | | | | | | | | Deferred tax liabilities: | | | | | | | | | REIT dividend | | | 9,706 | | | | - | | Depreciation | | | 3,240 | | | | 3,606 | | Prepaid expenses | | | 164 | | | | 198 | | Acquired intangible assets | | | 277 | | | | 525 | | Total deferred tax liabilities | | | 13,387 | | | | 4,329 | | Net deferred tax assets | | $ | 13,022 | | | $ | 27,132 | |
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Summary of Income Tax Contingencies [Table Text Block] |
| | 2017 | | 2016 | | 2015 | | | (In Thousands) | Balance, beginning of year | | $ | 1,375 | | | $ | 1,173 | | | $ | 804 | | Increases related to prior year tax positions | | | 365 | | | | 364 | | | | 369 | | Decreases related to prior year tax positions | | | - | | | | - | | | | - | | Increases related to current year tax positions | | | - | | | | - | | | | - | | Settlements | | | - | | | | - | | | | - | | Enacted tax rate change | | | 315 | | | | - | | | | - | | Lapse of statute | | | (276 | ) | | | (162 | ) | | | - | | Balance, end of year | | $ | 1,779 | | | $ | 1,375 | | | $ | 1,173 | |
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