Stock Incentive Plans - Narrative (Details) - USD ($)	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Restricted Stock
Share Based Awards [Line Items]
Intrinsic Value of Nonvested	$ 80,000	$ 166,000
Weighted Average Remaining Term	25 days	1 year 25 days
Remaining Compensation Expense	$ 8,000	$ 106,000
Share Based Compensation	24,000	24,000
Stock Awards [Member]
Share Based Awards [Line Items]
Share Based Compensation	$ 168,000	$ 330,000
Shares Issued Prior Year Sevice	17,335	33,019
Share Based Compensation Prior Year	$ 168,000	$ 330,000
Performance Units [Member]
Share Based Awards [Line Items]
Intrinsic Value of Nonvested	$ 561,000	$ 500,000
Weighted Average Remaining Term	1 year 5 months 15 days	2 years 1 day
Remaining Compensation Expense	$ 344,000	$ 448,000
Share Based Compensation	$ 62,000	$ 21,000

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

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