XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Stock-Based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2016
Share-based Compensation [Abstract] |
Schedule of Nonvested Share Activity [Table Text Block] | The following table summarizes the restricted stock award and performance unit award activity for the period ended March 31, 2016: ﻿
﻿ |  |  |  |  |
﻿ |  | Restricted | Performance |  | Weighted Average
﻿ |  | Stock | Stock |  | Grant Date
﻿ |  | Units | Units |  | Fair Value
﻿Outstanding at December 31, 2015 |  | 93,817 | 35,999 | $ | 39.66
﻿Granted |  | 43,283 | 129,844 |  | 12.59
﻿Vested |  | (35,953) | - |  | 29.45
﻿Adjustment for incentive awards not expected to vest |  | - | (93,103) |  | 24.79
﻿Canceled |  | (5,021) | (9,050) |  | 17.14
﻿Outstanding at March 31, 2016 |  | 96,126 | 63,690 | $ | 22.67
﻿

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration