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Other Assets Other Assets Tax Credit Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Tax Credit Carryforward [Line Items] |  |  |
Maximum Aggregate Capital Contributions, Historic Development Entities | $ 3,500,000 |  |
Federal New Market Tax Credit [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax Credit Carryforward, Amount | 2,200,000 |  |
Federal Tax Credits Used to Offset Income | 375,000 | $ 400,000 | $ 0
Federal Historic Tax Credit [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Federal Tax Credits Used to Offset Income | $ 0 |  |

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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 + Details
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