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PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS (Tables) | 3 Months Ended
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Mar. 31, 2013
Defined Benefit Retirement Plan |
PENSION PLANS |
Schedule of components of net periodic benefit cost |
|  | Three Months Ended |
|  | March 31, |
|  | 2013 |  | 2012 |
|  | (Dollars in thousands) |
Interest cost |  | $ | 348 |  | $ | 398 |
Expected return on assets |  | (470 | ) | (447 | )
Amortization of unrecognized loss |  | 599 |  | 581 |
Net periodic cost |  | $ | 477 |  | $ | 532 |
SERP |
PENSION PLANS |
Schedule of components of net periodic benefit cost |
|  | Three Months Ended |
|  | March 31, |
|  | 2013 |  | 2012 |
|  | (Dollars in thousands) |
Service cost |  | $ | — |  | $ | — |
Interest cost |  | 103 |  | 107 |
Amortization of unrecognized transition obligation |  | 4 |  | 4 |
Amortization of prior service cost |  | 5 |  | 5 |
Amortization of unrecognized (gain) loss |  | 18 |  | (1 | )
Net periodic cost |  | $ | 130 |  | $ | 115 |

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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=21915506&loc=d3e1928-114920 + Details
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