| Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Compensation and Retirement Disclosure [Abstract] | |
Schedule of Amounts Not Yet Recognized In Net Periodic Benefit Cost | Amounts included in accumulated other comprehensive loss, net of tax, at December 31, 2016 that have not yet been recognized in net periodic benefit cost are as follows: | | | | | | | | | | Pension plans | | Other postretirement benefits | | (In thousands) | Prior service cost | $ | — |
| | $ | (23 | ) | Net actuarial loss | $ | 10,398 |
| | $ | (339 | ) |
|
Schedule of Amounts Expected to be Recognized in Net Periodic Benefit Cost | Amounts included in accumulated other comprehensive loss, net of tax, at December 31, 2016 expected to be recognized in net periodic benefit cost during the fiscal year ending December 31, 2017 are as follows: | | | | | | | | | | Pension plans | | Other postretirement benefits | | (In thousands) | Prior service credit | $ | — |
| | $ | (16 | ) | Net actuarial loss | $ | 350 |
| | $ | — |
|
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Components of Net Periodic Pension/Postretirement Benefit Cost | The following table sets forth the components of net periodic postretirement benefit cost for the years ended December 31, 2016, 2015 and 2014: | | | | | | | | | | | | | | 2016 | | 2015 | | 2014 | | (In thousands) | Service cost, benefits attributed for service of active employees for the period | $ | 137 |
| | $ | 147 |
| | $ | 130 |
| Interest cost on the accumulated postretirement benefit obligation | 257 |
| | 251 |
| | 269 |
| Amortization of prior service (credit) cost | (25 | ) | | 53 |
| | 161 |
| Net periodic postretirement benefit cost | $ | 369 |
| | $ | 451 |
| | $ | 560 |
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The following table sets forth the components of net periodic pension cost for the years ended December 31, 2016, 2015 and 2014 based on a December 31 measurement date: | | | | | | | | | | | | | | 2016 | | 2015 | | 2014 | | (In thousands) | Service cost — benefits earned during the year | $ | 3 |
| | $ | 4 |
| | $ | 4 |
| Interest cost on projected benefit obligations | 1,711 |
| | 1,769 |
| | 1,888 |
| Expected return on plan assets | (2,199 | ) | | (2,151 | ) | | (2,806 | ) | Amortization of net loss | 575 |
| | 656 |
| | 606 |
| Settlement expense | 1,510 |
| | 762 |
| | 858 |
| Net periodic pension cost | $ | 1,600 |
| | $ | 1,040 |
| | $ | 550 |
|
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Schedule of Actuarial Assumptions | Actuarial assumptions used in the determination of the net periodic pension cost are: | | | | | | | | | | | 2016 | | 2015 | | 2014 | Discount rate | 4.14 | % | | 3.81 | % | | 4.47 | % | Expected long-term return on plan assets | 5.25 | % | | 5.00 | % | | 6.50 | % | Rate of compensation increase | n/a |
| | n/a |
| | n/a |
|
The actuarial assumption used in the determination of the benefit obligation of the above data is: | | | | | | | | 2016 | | 2015 | Discount rate | 3.94 | % | | 4.14 | % |
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Reconciliation of Benefit Obligations, Plan Assets and Funded Status | The following table provides a reconciliation of benefit obligations, plan assets and funded status based on a December 31 measurement date: | | | | | | | | | | 2016 | | 2015 | | (In thousands) | Change in benefit obligation: | | | | Benefit obligation at beginning of plan year | $ | 45,471 |
| | $ | 48,200 |
| Service cost | 3 |
| | 4 |
| Interest cost | 1,711 |
| | 1,769 |
| Actuarial loss/(gain) | 537 |
| | (906 | ) | Benefits paid | (5,692 | ) | | (3,596 | ) | Projected benefit obligation at measurement date | $ | 42,030 |
| | $ | 45,471 |
| | | | | Change in plan assets: | | | | Fair value of plan assets at beginning of plan year | $ | 43,603 |
| | $ | 48,656 |
| Actual return on plan assets | 3,150 |
| | (1,457 | ) | Company contribution | 1,000 |
| | — |
| Benefits paid | (5,692 | ) | | (3,596 | ) | Fair value of plan assets at measurement date | $ | 42,061 |
| | $ | 43,603 |
| | | | | Funded status of the plan: | | | | Benefit plan assets in excess of benefit obligation | 31 |
| | — |
| Benefit obligation in excess of plan assets | — |
| | (1,868 | ) | Prepaid pension asset (accrued pension liability) | $ | 31 |
| | $ | (1,868 | ) |
|
Schedule of Fair Value of Qualified Pension Plan Assets | The fair value of the Company's qualified pension plan assets by category as of and for the years ended December 31: | | | | | | | | | | | | | | | | | | 2016 | | Market value | | Quoted prices in active markets for identical assets (Level 1) | | Significant observable inputs (Level 2) | | Significant unobservable inputs (Level 3) | | (In thousands) | Equity securities (a) | $ | 4,045 |
| | $ | — |
| | $ | 4,045 |
| | $ | — |
| Fixed income funds (b) | 37,527 |
| | — |
| | 37,527 |
| | — |
| Cash/cash equivalents (c) | 489 |
| | 489 |
| | — |
| | — |
| Total | $ | 42,061 |
| | $ | 489 |
| | $ | 41,572 |
| | $ | — |
|
| | | | | | | | | | | | | | | | | | 2015 | | Market value | | Quoted prices in active markets for identical assets (Level 1) | | Significant observable inputs (Level 2) | | Significant unobservable inputs (Level 3) | | (In thousands) | Equity securities (a) | $ | 5,614 |
| | $ | — |
| | $ | 5,614 |
| | $ | — |
| Fixed income funds (b) | 36,954 |
| | — |
| | 36,954 |
| | — |
| Cash/cash equivalents (c) | 1,035 |
| | 1,035 |
| | — |
| | — |
| Total | $ | 43,603 |
| | $ | 1,035 |
| | $ | 42,568 |
| | $ | — |
|
| | (a) | The Equity funds in aggregate are well diversified by market capitalization, investment style and geography. The funds seek to provide investment results approximating the aggregate price and dividend performance of securities included in the S&P 500 Index, Russell 2000 Index and MSCI All Country World ex-US Index. |
| | (b) | The Fixed Income funds consist of bonds. In aggregate, the funds seek to provide investment results approximating the return of the Plan’s obligations. The funds consist of long credit bonds, intermediate credit bonds, short duration government credit bonds and bank loans. |
| | (c) | This category comprises the cash held to pay beneficiaries. The fair value of cash equals its book value. |
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Reconciliation of Projected Benefit Obligation | The following table provides a reconciliation of the projected benefit obligation at the Company's December 31 measurement date: | | | | | | | | | | 2016 | | 2015 | | (In thousands) | Benefit obligation at beginning of year | $ | 6,100 |
| | $ | 6,767 |
| Service cost | 137 |
| | 147 |
| Interest cost | 257 |
| | 251 |
| Actuarial gain | (249 | ) | | (812 | ) | Plan participants' contributions | 604 |
| | 628 |
| Benefits paid | (718 | ) | | (881 | ) | Benefit obligation and funded status at end of year | $ | 6,131 |
| | $ | 6,100 |
|
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Schedule of Amounts Recognized in Consolidated Balance Sheets | The amounts recognized in the Consolidated Balance Sheets at December 31 are: | | | | | | | | | | 2016 | | 2015 | | (In thousands) | Accrued compensation and employee benefits | $ | 378 |
| | $ | 391 |
| Accrued non-pension postretirement benefits | 5,753 |
| | 5,709 |
| Amounts recognized at December 31 | $ | 6,131 |
| | $ | 6,100 |
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