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v3.19.3.a.u2

Federal and State Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Deferred tax assets [Abstract] |  |  |
Credit loss reserves | $ 50,611 | $ 49,804 |
Lease liability | 46,084 | 0 |
Deferred compensation | 25,976 | 25,608 |
Purchased loan discount | 18,042 | 27,283 |
Unearned fees | 9,080 | 9,814 |
Share-based compensation | 7,392 | 4,434 |
Valuation adjustments | 1,545 | 9,619 |
Available for sale securities mark to market | 0 | 24,441 |
Other | 26,384 | 31,489 |
Total deferred tax assets | 185,114 | 182,492 |
Valuation Allowance [Abstract] |  |  |
Valuation allowance | 0 | 0 |
Deferred tax liabilities [Abstract] |  |  |
Mortgage servicing rights | 48,435 | 61,844 |
Right-of-use asset | 42,180 | 0 |
Available for sale securities mark to market | 33,140 | 0 |
Acquired identifiable intangible | 23,181 | 28,620 |
Depreciation | 18,909 | 15,966 |
Lease financing | 10,720 | 10,040 |
Other | 34,826 | 30,566 |
Total deferred tax liabilities | 211,391 | 147,036 |
Net deferred tax assets, net | 26,277 | 35,456 |
Current income tax expense [Abstract] |  |  |
Federal | 110,887 | 103,748 | $ 141,607
State | 15,088 | 15,253 | 14,592
Total current income tax expense | 125,975 | 119,001 | 156,199
Deferred income tax expense [Abstract] |  |  |
Federal | 3,416 | (190) | 25,525
State | 792 | 250 | 869
Total deferred income tax expense | 4,208 | 60 | 26,394
Total income tax expense | 130,183 | 119,061 | 182,593
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Federal statutory tax | 132,482 | 118,752 | 181,397
Tax exempt revenue | (12,227) | (8,311) | (12,402)
Effect of state income taxes, net of federal benefit | 12,715 | 12,430 | 10,701
Utilization of tax credits, net of proportional amortization of low-income housing limited partnership investments | (5,127) | (4,559) | (6,811)
Other, net | 2,340 | 749 | 9,708
Total income tax expense | $ 130,183 | $ 119,061 | $ 182,593
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Federal statutory tax (in thousandths) | 21.00% | 21.00% | 35.00%
Tax exempt revenue (in thousandths) | (1.90%) | (1.50%) | (2.40%)
Effect of state income taxes, net of federal benefit (in thousandths) | 2.00% | 2.20% | 2.00%
Utilization of tax credits, net of proportional amortization of low-income housing limited partnership investments (in thousandths) | (0.80%) | (0.80%) | (1.30%)
Other, net (in thousandths) | 0.30% | 0.20% | 1.90%
Total (in thousandths) | 20.60% | 21.10% | 35.20%
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Balance as of January 1 | $ 18,869 | $ 18,110 | $ 15,841
Additions for tax for current year positions | 5,649 | 2,649 | 4,645
Settlements during the period | 0 | 0 | 0
Lapses of applicable statute of limitations | (4,053) | (1,890) | (2,376)
Balance as of December 31 | 20,465 | 18,869 | 18,110
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 14,700 |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 2,200 | 1,700 | $ 1,200
Unrecognized Tax Benefits, Penalties and Interest Accrued | $ 5,600 | $ 5,000 |
Unrecognized Tax Benefits, Number of Reporting Periods Open for Examination, Federal | 3 |  |
Unrecognized Tax Benefits, Number of Reporting Periods Open for Examination, State, Minimum | 3 |  |
Unrecognized Tax Benefits, Number of Reporting Periods Open for Examination, State, Maximum | 6 |  |

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