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Other Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Schedule of 401 (k) Employer Contributions | For the three years ended December 31, 2012, we made contributions to the 401(k) plan as follows (in thousands):
| Year Ended December 31,
| 2012 |  | 2011 |  | 2010
401(k) plan contributions | $ | 467 |  |  | $ | 529 |  |  | $ | 454 |
Schedule of Deferred Compensation Liability | The deferred compensation liability at December 31, 2012 and 2011 was as follows (in thousands):
| December 31,
| 2012 |  | 2011
Deferred compensation liability | $ | 1,314 |  |  | $ | 1,221 |
Schedule of Current Service Cost, Prior Executive | For the three years ended December 31, 2012, we recognized current service cost as follows (in thousands):
| Year Ended December 31,
| 2012 |  | 2011 |  | 2010
Prior CEO SERP current service cost | $ | 106 |  |  | $ | 113 |  |  | $ | 119 |
Schedule of Current Service Cost, Current Officers | For the three years ended December 31, 2012, we recognized current service cost as follows (in thousands):
| Year Ended December 31,
| 2012 |  | 2011 |  | 2010
Officer SERP current service cost | $ | 342 |  |  | $ | 334 |  |  | $ | 344 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6793087&loc=d3e301413-122809 + Details
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