BENEFIT PLANS

The following table summarizes key information related to the Company’s pension plans and retirement agreements (in thousands):



	Three Months Ended March 31, 2019			Year Ended December 31, 2018
Change in Projected Benefit Obligation
Projected benefit obligation, beginning of period	$	32,474		$	32,820
Service cost	250			1,200
Interest cost	348			1,242
Actuarial loss	—			(2,166		)
Benefits paid	(179		)	(622		)
Projected benefit obligation, end of period	$	32,893		$	32,474
Change in Plan Assets
Plan assets at fair value, beginning of period	$	—		$	—
Company contributions	179			622
Benefits paid	(179		)	(622		)
Plan assets at fair value, end of period	$	—		$	—
Unfunded Status of the Plan	$	(32,893	)	$	(32,474	)



	Three Months Ended
	March 31, 2019		March 31, 2018
Components of Net Periodic Benefit Cost
Service cost	$	250	$	300
Interest cost	348		310
Net loss	53		133
Net periodic pension cost	$	651	$	743

The long-term portion of the pension liability as of March 31, 2019 and December 31, 2018 was $32.6 million and $32.1 million, respectively, and is included in Other Non-Current Liabilities in the accompanying consolidated balance sheets.