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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2018
Defined Benefit Plan [Abstract] |
Schedule of Obligation and Funded Status of Pension and Postretirement Plans | Following are the details of the obligation and funded status of the pension and postretirement benefit plans:
(in thousands) | Pension Benefits |  | Postretirement Benefits
Change in benefit obligation | 2018 |  | 2017 |  | 2018 |  | 2017
Benefit obligation at beginning of year | $ | 5,832 |  |  | $ | 7,112 |  |  | $ | 22,602 |  |  | $ | 29,757 |
Service cost | — |  |  | — |  |  | 319 |  |  | 391 |
Interest cost | 130 |  |  | 155 |  |  | 752 |  |  | 985 |
Actuarial (gains) losses | (282 | ) |  | (245 | ) |  | (1,623 | ) |  | (7,903 | )
Participant contributions | — |  |  | — |  |  | 145 |  |  | 463 |
Retiree drug subsidy received | — |  |  | — |  |  | 125 |  |  | 184 |
Benefits paid | (1,318 | ) |  | (1,190 | ) |  | (1,682 | ) |  | (1,275 | )
Benefit obligation at end of year | $ | 4,362 |  |  | $ | 5,832 |  |  | $ | 20,638 |  |  | $ | 22,602 |
(in thousands) | Pension Benefits |  | Postretirement Benefits
Change in plan assets | 2018 |  | 2017 |  | 2018 |  | 2017
Fair value of plan assets at beginning of year | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Actual gains on plan assets | — |  |  | — |  |  | — |  |  | — |
Company contributions | 1,318 |  |  | 1,190 |  |  | 1,537 |  |  | 812 |
Participant contributions | — |  |  | — |  |  | 145 |  |  | 463 |
Benefits paid | (1,318 | ) |  | (1,190 | ) |  | (1,682 | ) |  | (1,275 | )
Fair value of plan assets at end of year | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Under funded status of plans at end of year | $ | (4,362 | ) |  | $ | (5,832 | ) |  | $ | (20,638 | ) |  | $ | (22,602 | )
Schedule of Amounts Recognized in the Consolidated Balance Sheets | Amounts recognized in the Consolidated Balance Sheets at December 31, 2018 and 2017 consist of:
| Pension Benefits |  | Postretirement Benefits
(in thousands) | 2018 |  | 2017 |  | 2018 |  | 2017
Accrued expenses | $ | (1,516 | ) |  | $ | (1,232 | ) |  | $ | (1,162 | ) |  | $ | (1,098 | )
Employee benefit plan obligations | (2,846 | ) |  | (4,600 | ) |  | (19,476 | ) |  | (21,504 | )
Net amount recognized | $ | (4,362 | ) |  | $ | (5,832 | ) |  | $ | (20,638 | ) |  | $ | (22,602 | )
Schedule of Pre-tax Amounts Recognized in Accumulated Other Comprehensive Loss | Following are the details of the pre-tax amounts recognized in accumulated other comprehensive loss at December 31, 2018:
| Pension Benefits |  | Postretirement Benefits
(in thousands) | Unamortized Actuarial Net Losses |  | Unamortized Prior Service Costs |  | Unamortized Actuarial Net Losses |  | Unamortized Prior Service Costs
Balance at beginning of year | $ | 3,747 |  |  | $ | — |  |  | $ | (7,506 | ) |  |  |
Amounts arising during the period | (282 | ) |  | — |  |  | (1,623 | ) |  | — |
Amounts recognized as a component of net periodic benefit cost | (243 | ) |  | — |  |  | — |  |  | 910 |
Balance at end of year | $ | 3,222 |  |  | $ | — |  |  | $ | (9,129 | ) |  | $ | 910 |
Schedule of Amounts Applicable to the Company's Defined Benefit Plans with Accumulated Benefit Obligations in Excess of Plan Assets | Amounts applicable to the Company's defined benefit plans with accumulated benefit obligations in excess of plan assets are as follows:
| December 31,
(in thousands) | 2018 |  | 2017
Projected benefit obligation | $ | 4,362 |  |  | $ | 5,832 |
Accumulated benefit obligation | $ | 4,362 |  |  | $ | 5,832 |
Schedule of Benefits Expected to be Paid for Company's Defined Benefit Plans | The combined benefits expected to be paid for all Company defined benefit plans over the next ten years (in thousands) are as follows:
Year |  | Expected Pension Benefit Payout |  | Expected Postretirement Benefit Payout
2019 |  | $ | 1,516 |  |  | $ | 1,161 |
2020 |  | 1,262 |  |  | 1,185 |
2021 |  | 1,011 |  |  | 1,203 |
2022 |  | 210 |  |  | 1,225 |
2023 |  | 220 |  |  | 1,240 |
2024-2028 |  | 418 |  |  | 6,364 |
Schedule of Components of Net Periodic Benefit Costs | Following are components of the net periodic benefit cost for each year:
| Pension Benefits |  | Postretirement Benefits
| December 31, |  | December 31,
(in thousands) | 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016
Service cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 319 |  |  | $ | 391 |  |  | $ | 760 |
Interest cost | 130 |  |  | 155 |  |  | 194 |  |  | 752 |  |  | 985 |  |  | 1,549 |
Expected return on plan assets | — |  |  | — |  |  | — |  |  | (910 | ) |  | (455 | ) |  | (355 | )
Recognized net actuarial loss | 243 |  |  | 252 |  |  | 146 |  |  | — |  |  | — |  |  | 768 |
Benefit cost (income) | $ | 373 |  |  | $ | 407 |  |  | $ | 340 |  |  | $ | 161 |  |  | $ | 921 |  |  | $ | 2,722 |
Schedule of Weighted Average Assumptions of Pension and Postretirement Benefits | Following are weighted average assumptions of pension and postretirement benefits for each year:
| Pension Benefits |  | Postretirement Benefits
| 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016
Used to Determine Benefit Obligations at Measurement Date |  |  |  |  |  |  |  |  |  |  |
Discount rate (a) | N/A |  | N/A |  | N/A |  | 4.1 | % |  | 3.4 | % |  | 4.0 | %
Used to Determine Net Periodic Benefit Cost for Years ended December 31 |  |  |  |  |  |  |  |  |  |  |
Discount rate (b) | N/A |  | N/A |  | N/A |  | 3.4 | % |  | 3.7 | % |  | 4.2 | %
Expected long-term return on plan assets | N/A |  | N/A |  | N/A |  | — |  |  | — |  |  | — |
Rate of compensation increases | N/A |  | N/A |  | N/A |  | — |  |  | — |  |  | — |
(a) | The calculated rate for the unfunded employee retirement plan was 3.20%, 2.50% and 2.40% in 2018, 2017 and 2016, respectively. Since it was terminated in 2015, the defined benefit pension plan did not have a discount rate during the three-year period presented above.
(b) The calculated rate for the unfunded employee retirement plan was 2.50%, 2.40% and 2.60% in 2018, 2017 and 2016, respectively. Since it was terminated in 2015, the defined benefit pension plan did not have a discount rate during the three year period presented above.
Schedule of Assumed Health Care Cost Trend Rate at Beginning of Year |
Assumed Health Care Cost Trend Rates at Beginning of Year |  |  |
| 2018 |  | 2017
Health care cost trend rate assumed for next year | 3.0 | % |  | 3.0 | %
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) (a) | N/A |  |  | N/A |
Year that the rate reaches the ultimate trend rate (a) | N/A |  |  | N/A |
(a) In 2017, the Company's remaining uncapped participants were converted to a Medicare Exchange Health Reimbursement Arrangement, which put a 2% cap on the Company's share of the related costs.

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- Definition Amounts applicable to the Company's defined benefit plans with accumulated benefit obligations in excess of plan assets. + References No definition available. + Details
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- Definition Components of the net periodic benefit cost . + References No definition available. + Details
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- Definition Defined benefit plan amount recognized in balance sheet. + References No definition available. + Details
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- Definition Defined benefit plan estimated future benefit payments. + References No definition available. + Details
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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on 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 (k) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2439-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2410-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=77993564&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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