v3.3.1.900

Compensation Plans - Schedule of Various Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense | $ 3,600 | $ 2,900 | $ 5,000
Weighted average fair value (usd per share) | $ 19,210 | $ 16,840 |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense | $ 725 | $ 945 | 1,142
Total fair value at vesting date | 809 | 913 | 828
Total unrecognized compensation cost for nonvested stock units | $ 942 | $ 1,462 | $ 2,168
Expected years to recognize unearned compensation | 1 year 8 months | 2 years 8 months 12 days | 3 years 7 months 6 days
Stock Options and SSARs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense | $ 50 | $ 103 | $ 213
Intrinsic value of option exercises on date of exercise | 74 | 226 | 300
Cash received from the exercise of stock options | 126 | 149 | 2,040
Stock Plan for Non-Management Directors |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense | $ 373 | $ 329 | $ 262
Number of shares issued | 16,283,000 | 23,135,000 | 16,990,000
Weighted average fair value (usd per share) | $ 24.43 | $ 19.20 | $ 15.40

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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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