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Benefit Plans | 9 Months Ended
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Sep. 30, 2017
Retirement Benefits [Abstract] |
Benefit Plans | BENEFIT PLANS The following table summarizes key information related to the Company’s pension plans and retirement agreements (in thousands):
| Nine Months Ended September 30, 2017 |  | Year Ended December 31, 2016
Change in Projected Benefit Obligation |  |  |
Projected benefit obligation, beginning of period | $ | 28,624 |  |  | $ | 25,935 |
Service cost | 751 |  |  | 995 |
Interest cost | 921 |  |  | 1,155 |
Actuarial loss | — |  |  | 1,031 |
Benefits paid | (426 | ) |  | (492 | )
Projected benefit obligation, end of period | $ | 29,870 |  |  | $ | 28,624 |
Change in Plan Assets |  |  |
Plan assets at fair value, beginning of period | $ | — |  |  | $ | — |
Company contributions | 426 |  |  | 492 |
Benefits paid | (426 | ) |  | (492 | )
Plan assets at fair value, end of period | $ | — |  |  | $ | — |
Unfunded Status of the Plan | $ | (29,870 | ) |  | $ | (28,624 | )
| Three Months Ended |  | Nine Months Ended
| September 30, 2017 |  | September 30, 2016 |  | September 30, 2017 |  | September 30, 2016
Components of Net Periodic Benefit Cost |  |  |  |  |  |  |
Service cost | $ | 250 |  |  | $ | 249 |  |  | $ | 751 |  |  | 746 |
Interest cost | 307 |  |  | 289 |  |  | $ | 921 |  |  | $ | 866 |
Net loss | 73 |  |  | 53 |  |  | 218 |  |  | 160 |
Net periodic pension cost | $ | 630 |  |  | $ | 591 |  |  | $ | 1,890 |  |  | $ | 1,772 |
The long-term portion of the pension liability as of September 30, 2017 and December 31, 2016 was $29.6 million and $28.3 million, respectively, and is included in Other Non-Current Liabilities in the accompanying consolidated balance sheets.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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