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Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2017
Retirement Benefits [Abstract] |
Schedule of Changes in Plan Benefit Obligation and Fair Value of Assets | The following tables provide a reconciliation of the changes in the plan benefit obligation and the fair value of assets for the periods ended December 31, 2017 and 2016 (in thousands).
| 2017 |  | 2016
Change in Benefit Obligation |
Benefit obligation, beginning of year | $ | 5,777 |  |  | $ | 8,107 |
Service cost | — |  |  | 410 |
Interest cost | 82 |  |  | 331 |
Actuarial (gain) loss | (145 | ) |  | 245 |
Benefits paid | (431 | ) |  | (695 | )
Gain due to curtailment | — |  |  | (2,621 | )
Benefit obligation, end of year | $ | 5,283 |  |  | $ | 5,777 |
Changes in Plan Assets |  |  |
Fair value of plan assets, beginning of year | $ | 3,693 |  |  | $ | 4,264 |
Actual return on plan assets | 16 |  |  | 124 |
Employer contributions | 1,800 |  |  | — |
Benefits paid | (431 | ) |  | (695 | )
Fair value of assets, end of year | $ | 5,078 |  |  | $ | 3,693 |
Funded Status, end of year | $ | (205 | ) |  | $ | (2,084 | )
Amount Recognized in Other Liabilities | $ | (205 | ) |  | $ | (2,084 | )
Amounts Recognized in Accumulated Other Comprehensive Loss, Net of Tax |
Amounts Recognized in Accumulated Other Comprehensive Loss, net of tax |  |  |
Net gain | $ | (126 | ) |  | $ | — |
Deferred income tax expense | 27 |  |  | — |
Amount recognized | $ | (99 | ) |  | $ | — |
Weighted Average Assumptions Used to Determine Benefit Obligation |
Weighted Average Assumptions Used to Determine Benefit Obligation |  |  |
Discount rate used for disclosure |  |  |
First five years | 1.96 | % |  | 1.47 | %
Five years to twenty years | 3.58 | % |  | 3.34 | %
After twenty years | 4.35 | % |  | 4.30 | %
Expected return on plan assets | 1.00 | % |  | 7.50 | %
Rate of compensation increase | N/A |  |  | 3.00 | %
Components of Net Periodic Benefit Cost |
Components of Net Periodic Benefit Cost |  |  |
Service cost | $ | — |  |  | $ | 410 |
Interest cost | 82 |  |  | 331 |
Expected return on plan assets | (35 | ) |  | (297 | )
Recognized net gain due to curtailment | — |  |  | (173 | )
Recognized net actuarial loss | — |  |  | 84 |
Net periodic benefit cost | $ | 47 |  |  | $ | 355 |
Other Changes in Plan Assets and Benefit Obligations Recognized in Accumulated Other Comprehensive (Income) Loss |
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) |  |  |
Net gain | $ | (126 | ) |  | $ | (2,115 | )
Total recognized in other comprehensive income (loss) | $ | (126 | ) |  | $ | (2,115 | )
Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Loss) | $ | (79 | ) |  | $ | (1,760 | )
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost |
| 2017 |  | 2016
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost |  |  |
Discount rate | 1.47 | % |  | 4.25 | %
Expected return on plan assets | 1.00 | % |  | 7.50 | %
Rate of compensation increase | N/A |  |  | 3.00 | %
Schedule of Pension Plan's Weighted-Average Asset Allocations | The pension plan’s weighted-average asset allocations at the end of the plan year for 2017 and 2016, by asset category were as follows:
| 2017 |  | 2016
Asset Category |  |  |
Cash and equivalents | 100 | % |  | 100 | %
Total | 100 | % |  | 100 | %
Schedule of Fair Value Hierarchy, the Company's Pension Plan Assets | The following tables set forth by level, within the fair value hierarchy, the Company’s pension plan assets at fair value as of December 31, 2017 and 2016 (in thousands):
| Fair Value Measurements at December 31, 2017
| Total |  | Level 1 |  | Level 2 |  | Level 3
Cash and equivalents | $ | 5,078 |  |  | $ | 5,078 |  |  | $ | — |  |  | $ | — |
Total | $ | 5,078 |  |  | $ | 5,078 |  |  | $ | — |  |  | $ | — |
| Fair Value Measurements at December 31, 2016
| Total |  | Level 1 |  | Level 2 |  | Level 3
Cash and equivalents | $ | 3,693 |  |  | $ | 3,693 |  |  | $ | — |  |  | $ | — |
Total | $ | 3,693 |  |  | $ | 3,693 |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of the change in the benefit obligation, fair value of plan assets, and funded status of pension plans or other employee benefit plans. + 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 (a)(b)(c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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 (d)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + 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 (i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + 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 the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + 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 (a) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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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=82843861&loc=d3e1928-114920 + Details
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