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Retirement Plans | 6 Months Ended
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Jun. 30, 2015
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | RETIREMENT PLANS (Dollars in Thousands) The following tables provide the components of net periodic benefit costs for the three-month period ended June 30:
|  |  |  | Select |  |
|  | Employees' |  | Executive |  | Postretirement
|  | Pension |  | Retirement |  | Benefit
|  | Plan |  | Plan |  | Plans
Net Periodic Benefit Cost |  |  |  |  |  |
For the Three Months Ended June 30, 2015: |  |  |  |  |  |
Service Cost |  | $ | 353 |  |  | $ | 3 |  |  | $ | 43 |
Interest Cost |  | 407 |  |  | 71 |  |  | 159 |
Expected Return on Plan Assets |  | (808 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (21 | ) |  | 15 |  |  | (8 | )
Amortization of Net Loss |  | 139 |  |  | 30 |  |  | 24 |
Net Periodic Benefit Cost |  | $ | 70 |  |  | $ | 119 |  |  | $ | 218 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 159 |  |  | $ | 78 |
For the Three Months Ended June 30, 2014: |  |  |  |  |  |
Service Cost |  | $ | 376 |  |  | $ | — |  |  | $ | 53 |
Interest Cost |  | 268 |  |  | 48 |  |  | 62 |
Expected Return on Plan Assets |  | (723 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (11 | ) |  | 18 |  |  | (28 | )
Amortization of Net Loss |  | 86 |  |  | 22 |  |  | 6 |
Net Periodic Benefit Cost |  | $ | (4 | ) |  | $ | 88 |  |  | $ | 93 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 118 |  |  | $ | 86 |
Net Periodic Benefit Cost |  |  |  |  |  |
For the Six Months Ended June 30, 2015: |  |  |  |  |  |
Service Cost |  | $ | 705 |  |  | $ | 5 |  |  | $ | 87 |
Interest Cost |  | 802 |  |  | 121 |  |  | 217 |
Expected Return on Plan Assets |  | (1,615 | ) |  | — |  |  | — |
Amortization of Prior Service Cost (Credit) |  | (42 | ) |  | 29 |  |  | (16 | )
Amortization of Net Loss |  | 278 |  |  | 61 |  |  | 48 |
Net Periodic Benefit Cost |  | $ | 128 |  |  | $ | 216 |  |  | $ | 336 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 274 |  |  | $ | 125 |
Estimated Future Contributions in the Current Fiscal Year |  | $ | — |  |  | $ | 548 |  |  | $ | 250 |
For the Six Months Ended June 30, 2014: |  |  |  |  |  |
Service Cost |  | $ | 753 |  |  | $ | — |  |  | $ | 106 |
Interest Cost |  | 598 |  |  | 109 |  |  | 172 |
Expected Return on Plan Assets |  | (1,445 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (22 | ) |  | 36 |  |  | (57 | )
Amortization of Net Loss |  | 172 |  |  | 45 |  |  | 13 |
Net Periodic Benefit Cost |  | $ | 56 |  |  | $ | 190 |  |  | $ | 234 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 237 |  |  | $ | 228 |
We are not required to make a contribution to our qualified pension plan in 2015, and currently, we do not expect to make a contribution in 2015. Arrow makes contributions to its other post-retirement benefit plans in an amount equal to benefit payments for the year.

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