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Note 11 - Components of Net Periodic Benefit Cost (Tables) | 3 Months Ended
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Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2014 |  |  | 2013 |
|  | (in thousands) |
Interest cost |  | $ | 772 |  |  | $ | 720 |
Expected return on plan assets |  |  | (777 | ) |  |  | (726 | )
Recognized actuarial loss |  |  | 146 |  |  |  | 228 |
Net expense |  | $ | 141 |  |  | $ | 222 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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