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Employee Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2015
Employee Benefit Plans [Abstract] |
Components of net periodic benefit costs | The following sets forth the components of net periodic benefit costs of the Pension Plan for the three and six months ended June 30, 2015 and 2014, respectively (in thousands):
| Three Months Ended | Six Months Ended
| June 30, | June 30,
| 2015 | 2014 | 2015 | 2014
Service cost | $ 78 | $ 63 | $ 132 | $ 153
Interest cost | 90 | 111 | 153 | 207
Expected return on plan assets | (172) | (215) | (290) | (393)
Net amortization and deferral | 45 | (43) | 76 | 25
Net periodic cost (benefit) | $ 41 | $ (84) | $ 71 | $ (8)
Schedule of restricted stock activity | The following table details the vesting, awarding and forfeiting of restricted shares during 2015 and 2014:
| Three months ended June 30, | Six months ended June 30,
| 2015 | 2014 | 2015 | 2014
|  | Weighted |  | Weighted |  | Weighted |  | Weighted
| Unvested | Average | Unvested | Average | Unvested | Average | Unvested | Average
| Shares | Market Price | Shares | Market Price | Shares | Market Price | Shares | Market Price
Outstanding, beginning of period | 6,998 | $ 48.61 | 6,240 | $ 43.55 | 6,971 | $ 48.55 | 7,172 | $ 42.02
Granted | 3,340 | 49.87 | 3,206 | 53.10 | 3,496 | 50.02 | 3,598 | 52.82
Forfeited | - | - | - | - | - | - | - | -
Vested | (3,320) | 45.62 | (2,259) | 42.06 | (3,449) | 45.80 | (3,583) | 40.30
Outstanding, end of period | 7,018 | $ 50.63 | 7,187 | $ 48.28 | 7,018 | $ 50.63 | 7,187 | $ 48.28

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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=58740216&loc=d3e1928-114920 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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