Federal Income Taxes (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Tax Credit Carryforward [Line Items] | ||
| Federal statutory income tax rate | 35.00% | 35.00% |
| Unrecognized taxable temporary difference | $ 4.5 | |
| Alternative Minimum Tax Credit Carryforward | ||
| Tax Credit Carryforward [Line Items] | ||
| Tax credit carryforward | $ 1.4 | |