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14. Employee Benefits - Fair Value of Plan Assets (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | --- | ---
Fair value of plan assets | $ 21,664 | $ 16,612 | $ 10,613
Company Common Stock [Member] |  |  |
Fair value of plan assets | 8,319 | 4,791 |
Fundamental Value [Member] |  |  |
Fair value of plan assets | 2,384 | 2,049 |
Mid Cap Growth [Member] |  |  |
Fair value of plan assets | 709 | 596 |
Focus Value [Member] |  |  |
Fair value of plan assets | 692 | 607 |
Small Co. Value [Member] |  |  |
Fair value of plan assets | 693 | 604 |
Growth [Member] |  |  |
Fair value of plan assets | 3,237 | 2,681 |
International Growth [Member] |  |  |
Fair value of plan assets | 2,855 | 2,431 |
Core Bond [Member] |  |  |
Fair value of plan assets | 1,870 | 1,780 |
High Yield [Member] |  |  |
Fair value of plan assets | 387 |  |
Income [Member] |  |  |
Fair value of plan assets |  | 363 |
Inflation Protected Bond [Member] |  |  |
Fair value of plan assets | 487 | 472 |
Money Market [Member] |  |  |
Fair value of plan assets | 31 | 238 |
Level 1 [Member] |  |  |
Fair value of plan assets | 8,319 | 0 |
Level 1 [Member] | Company Common Stock [Member] |  |  |
Fair value of plan assets | 8,319 | 4,791 |
Level 1 [Member] | Fundamental Value [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | Mid Cap Growth [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | Focus Value [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | Small Co. Value [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | Growth [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | International Growth [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | Core Bond [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | High Yield [Member] |  |  |
Fair value of plan assets | 0 |  |
Level 1 [Member] | Income [Member] |  |  |
Fair value of plan assets |  | 0 |
Level 1 [Member] | Inflation Protected Bond [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 1 [Member] | Money Market [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 2 [Member] |  |  |
Fair value of plan assets | 13,345 | 11,821 |
Level 2 [Member] | Company Common Stock [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 2 [Member] | Fundamental Value [Member] |  |  |
Fair value of plan assets | 2,384 | 2,049 |
Level 2 [Member] | Mid Cap Growth [Member] |  |  |
Fair value of plan assets | 709 | 596 |
Level 2 [Member] | Focus Value [Member] |  |  |
Fair value of plan assets | 692 | 607 |
Level 2 [Member] | Small Co. Value [Member] |  |  |
Fair value of plan assets | 693 | 604 |
Level 2 [Member] | Growth [Member] |  |  |
Fair value of plan assets | 3,237 | 2,681 |
Level 2 [Member] | International Growth [Member] |  |  |
Fair value of plan assets | 2,855 | 2,431 |
Level 2 [Member] | Core Bond [Member] |  |  |
Fair value of plan assets | 1,870 | 1,780 |
Level 2 [Member] | High Yield [Member] |  |  |
Fair value of plan assets | 387 |  |
Level 2 [Member] | Income [Member] |  |  |
Fair value of plan assets |  | 363 |
Level 2 [Member] | Inflation Protected Bond [Member] |  |  |
Fair value of plan assets | 487 | 472 |
Level 2 [Member] | Money Market [Member] |  |  |
Fair value of plan assets | 31 | 238 |
Level 3 [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Company Common Stock [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Fundamental Value [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Mid Cap Growth [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Focus Value [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Small Co. Value [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Growth [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | International Growth [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Core Bond [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | High Yield [Member] |  |  |
Fair value of plan assets | 0 |  |
Level 3 [Member] | Income [Member] |  |  |
Fair value of plan assets |  | 0 |
Level 3 [Member] | Inflation Protected Bond [Member] |  |  |
Fair value of plan assets | 0 | 0 |
Level 3 [Member] | Money Market [Member] |  |  |
Fair value of plan assets | $ 0 | $ 0 |

X
- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + 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 (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=29635418&loc=d3e12355-114930 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant