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Income Taxes Income Tax Reconciliation (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Effective Income Tax Rate [Line Items] |  |  |  |  |  |  |  |  |  |  |
Statutory U.S. Federal Tax Rate |  |  |  |  |  |  |  |  | 21.00% | 35.00% |
Expected income taxes |  |  |  |  |  |  |  |  | $ 13,286 | $ 10,186 | $ 14,604
Tax-exempt income from bank owned life insurance |  |  |  |  |  |  |  |  | 563 | 283 | 573
Other tax exempt income |  |  |  |  |  |  |  |  | (1,701) | (1,598) | (2,223)
Nondeductible interest expense |  |  |  |  |  |  |  |  | 70 | 43 | 28
State taxes, net of federal taxes |  |  |  |  |  |  |  |  | 4,280 | 3,354 | 2,062
Other items |  |  |  |  |  |  |  |  | 116 | 218 | (266)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount |  |  |  |  |  |  |  |  | 0 | 0 | 1,410
Effect of marginal tax rate |  |  |  |  |  |  |  |  | (165) | (15) | 0
Total | $ 3,543 | $ 3,820 | $ 3,642 | $ 4,318 | $ 3,206 | $ 2,731 | $ 3,105 | $ 2,863 | $ 15,323 | $ 11,905 | $ 15,042

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