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Income Tax (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Contingency [Line Items] |  |  |
Current Federal Tax Expense (Benefit) | $ 60,771 | $ 50,708 | $ 44,094
Current State and Local Tax Expense (Benefit) | 12,811 | 9,610 | 7,822
Current tax (benefit) expense | 73,582 | 60,318 | 51,916
Deferred Federal Income Tax Expense (Benefit) | (5,156) | (5,445) | (12,078)
Deferred State and Local Income Tax Expense (Benefit) | (957) | (1,184) | (1,690)
Deferred tax expense (benefit) | (6,113) | (6,629) | (13,768)
Income tax provision | 67,469 | 53,689 | 38,148
Deferred tax assets: |  |  |
Allowance for credit losses | 40,054 | 39,378 |
Deferred Tax Assets, Lease Liability | 14,088 | 15,973 |
Deferred compensation | 13,619 | 14,887 |
Stock option and restricted stock | 3,751 | 3,186 |
OREO | 0 | 50 |
Nonaccrual interest | 120 | 118 |
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross | 164,697 | 0 |
Deferred Tax Assets, Net operating losses and credit carryforwards | 2,404 | 2,898 |
Other | (3,134) | (1,824) |
Total deferred tax assets | 241,867 | 78,314 |
Deferred tax liabilities: |  |  |
Asset purchase tax basis difference | (4,083) | (5,052) |
Deferred Tax Liabilities, Leasing Arrangements | (12,792) | (14,510) |
FHLB stock dividends | (810) | (810) |
Deferred loan fees | (6,205) | (5,957) |
deferred tax liabilities, unrealized gains on available-for-sale securities | 0 | 7,254 |
deferred tax liabilites, unrealized gains on equity securities | (3,231) | (3,231) |
Deferred tax liabilities, purchase accounting | (11,106) | (14,211) |
Depreciation | (3,112) | (3,304) |
Deferred Tax Liabilities, Derivatives | (2,767) | (5,280) |
Deferred Tax Liabilities, Other | (144) | (130) |
Total deferred tax liabilities | 44,250 | 59,739 |
Net deferred tax asset | 197,617 | 18,575 |
Reconciliation of effective income tax rate with federal statutory tax rate |  |  |
Income tax based on statutory rate | $ 66,706 | $ 53,867 | $ 40,402
Income tax based on statutory rate, percent | 21.00% | 21.00% | 21.00%
Tax exempt instruments | $ (6,864) | $ (6,306) | $ (5,987)
Tax exempt instrument, percent | (2.00%) | (2.00%) | (3.00%)
Bank owned life insurance proceeds | $ (1,806) | $ (1,444) | $ (1,348)
Life insurance proceeds, percent | (1.00%) | (1.00%) | (1.00%)
State income tax, net of federal benefit | $ 9,364 | $ 7,892 | $ 4,844
State income tax, net of federal benefit, Percent | 3.00% | 3.00% | 3.00%
Other, net | $ 69 | $ (320) | $ 237
Other, net, percent | 0.00% | 0.00% | 0.00%
Income tax provision | $ 67,469 | $ 53,689 | $ 38,148
Income tax provision (benefit), percent | 21.00% | 21.00% | 20.00%

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