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Pension Information | 6 Months Ended
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Jun. 30, 2018
Compensation And Retirement Disclosure [Abstract] |
Pension Information | (11) Pension Information The Company sponsors a pension plan which is a noncontributory defined benefit retirement plan. Annual payments, subject to the maximum amount deductible for federal income tax purposes, are made to a pension trust fund. In 2006, the Company amended the pension plan to provide that no employee could be added as a participant to the pension plan after December 31, 2006. In 2014, the Company amended the pension plan again to provide that no additional benefits would accrue beyond April 30, 2014. Net periodic pension benefit was as follows:
|  | Three months ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 125 |  |  |  | 171 |  |  |  | 250 |  |  |  | 338 |
Expected return on plan assets |  |  | (273 | ) |  |  | (283 | ) |  |  | (546 | ) |  |  | (561 | )
Other components |  |  | 143 |  |  |  | 426 |  |  |  | 286 |  |  |  | 520 |
Net periodic pension benefit |  | $ | (5 | ) |  | $ | 314 |  |  | $ | (10 | ) |  | $ | 297 |
The Company does not expect to make any contribution to its pension plan in 2018. The Company contributed $2,000 in 2017.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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