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v3.20.4

Income Taxes (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Current Income Tax Expense (Benefit), Continuing Operations [Abstract] |  |  |  |
Federal | $ 98,082,000 | $ 77,422,000 | $ 73,921,000 |
Current State and Local Tax Expense (Benefit) | 19,270,000 | 4,538,000 | 4,822,000 |
Total current tax expense (benefit) | 117,352,000 | 81,960,000 | 78,743,000 |
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] |  |  |  |
Federal | (45,450,000) | 12,446,000 | 10,162,000 |
State | (12,865,000) | 2,250,000 | 1,603,000 |
Deferred tax (expense) benefit | (58,315,000) | 14,696,000 | 11,765,000 |
Income tax expense (benefit) | 59,037,000 | 96,656,000 | 90,508,000 |
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |  |
Income tax expense (benefit) at statutory rate | 77,985,000 | 104,483,000 | 94,489,000 |
State excise tax expense, net of federal tax effect | 5,059,000 | 5,363,000 | 5,076,000 |
Tax-exempt securities | (13,706,000) | (11,078,000) | (7,222,000) |
Federal tax credits | (3,717,000) | (1,704,000) | (845,000) |
Bank owned life insurance | (4,759,000) | (3,646,000) | (2,764,000) |
Insurance premiums | (272,000) | (238,000) | (112,000) |
Excess tax benefits associated with equity compensation | (417,000) | (1,011,000) | (2,966,000) |
Other items | $ (1,136,000) | 4,487,000 | 4,852,000 |
Federal income tax statutory rate | 21.00% |  |  |
Deferred Tax Assets, Net [Abstract] |  |  |  |
Loan loss allowance | $ 72,316,000 | 23,051,000 |  |
Loans | 14,694,000 | 20,808,000 |  |
Insurance | 690,000 | 673,000 |  |
Accrued liability for supplemental retirement agreements | 7,457,000 | 7,308,000 |  |
Restricted stock and stock options | 9,181,000 | 10,515,000 |  |
Cash flow hedge | 0 | 1,373,000 |  |
Equity Method Investments | 171,000 | 425,000 |  |
Leases | 23,894,000 | 22,782,000 |  |
Other real estate owned | 2,287,000 | 691,000 |  |
Net federal operating loss carryforward and credits | 1,796,000 | 5,954,000 |  |
Annual Incentive Compensation | 8,712,000 | 12,626,000 |  |
Deferred Tax Assets Investment in Noncontrolled Affiliates | 25,225,000 | 0 |  |
Allowance for off balance sheet credit exposures | 6,069,000 | 618,000 |  |
Other deferred tax assets | 2,559,000 | 2,501,000 |  |
Total deferred tax assets | 175,051,000 | 109,325,000 |  |
Deferred Tax Liabilities, Net [Abstract] |  |  |  |
Depreciation and amortization | 14,418,000 | 12,455,000 |  |
Core deposit and other intangible assets | 11,077,000 | 13,253,000 |  |
Securities | 34,373,000 | 8,287,000 |  |
REIT dividends | 1,366,000 | 1,650,000 |  |
FHLB related liabilities | 1,798,000 | 925,000 |  |
Right-of-use assets and other leasing transactions | 22,232,000 | 21,169,000 |  |
Subordinated debt | 1,920,000 | 2,050,000 |  |
Partnership interests | 0 | 3,534,000 |  |
Deferred Tax Liabilities, Derivatives | 19,627,000 | 0 |  |
Other deferred tax liabilities | 1,630,000 | 1,875,000 |  |
Total deferred tax liabilities | 108,441,000 | 65,198,000 |  |
Net deferred tax assets | 66,610,000 | 44,127,000 |  |
Unrecognized Tax Benefits | 9,658,000 | 6,910,000 | 5,083,000 | $ 2,838,000
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 2,748,000 | 1,827,000 | 2,245,000 |
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 0 | 0 | 0 |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 0 | 0 | 0 |
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities | 0 | 0 | $ 0 |
Tax Credit Carryforward, Amount | 8,400,000 |  |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | $ 571,000 | $ 0 |  |

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