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Taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
Federal statutory rate | 21.00% | 21.00% | 34.00%
State statutory rate, net of Federal tax effect | 8.60% | 8.60% | 7.20%
Differences in taxable (loss) income from GAAP income | (2.10%) | (1.70%) | (3.90%)
Change in valuation allowance | (2.20%) | 1.90% | (1.00%)
Dividends paid deduction | (21.10%) | (21.30%) | (23.40%)
Federal statutory rate change | 0 | 0 | (0.052)
Effective Tax Rate | 4.20% | 8.50% | 7.70%

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