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Equity Compensation Plans - Options (Details) - USD ($) | 9 Months Ended
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Sep. 30, 2015 | Sep. 30, 2014
Equity Compensation Plans |  |
Total compensation cost | $ 466,000 |
2014 Plan |  |
Equity Compensation Plans |  |
Number of shares authorized | 375,000 |
Number of shares issuable | 125,000 |
Stock options |  |
Equity Compensation Plans |  |
Granted (in shares) | 0 | 0
Term of stock options granted | 10 years |
Exercised (in shares) | 0 | 0
Total unrecognized compensation cost | $ 0 |
Shares |  |
Beginning outstanding (in shares) | 229,000 |
Ending outstanding (in shares) | 229,000 |
Exercisable at end of period (in shares) | 229,000 |
Weighted Average Exercise Price |  |
Beginning outstanding (in dollars per share) | $ 28.28 |
Ending outstanding (in dollars per share) | 28.28 |
Exercisable at end of period (in dollars per share) | $ 28.28 |
Weighted Average Remaining Contractual Term (years) |  |
Ending outstanding (in years) | 1 year 4 months 24 days |
Exercisable at end of period | 1 year 4 months 24 days |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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