Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2018

The net periodic benefit cost for those entities with pension plans was as follows:



For the years ended December 31,	2018			2017			2016
Service cost	$	352		$	661		$	1,884
Interest	146			165			318
Expected return on assets	—			—			(138		)
Amortization of prior service costs	(32		)	22			279
Recognition of actuarial items	102			(261		)	—
Curtailment gain	(47		)	(153		)	—
Net periodic benefit cost	$	521		$	434		$	2,343

Summary of weighted average assumptions

The weighted average assumptions were as follows:



For the years ended December 31,	2018	2017	2016
Discount rate for obligations	5.00-10.00%	5.25-9.25%	8.50%
Discount rate for net periodic benefit costs	5.25-9.25%	4.75-8.50%	0.75-7.50%
Rate of compensation increases	3.00-4.50%	4.50-5.00%	4.50%
Expected return in plan assets	N/A	N/A	N/A

Summary of change in projected benefit obligations, in plan assets and funded (unfunded) status

The change in PBO, change in plan assets and funded (unfunded) status for those entities with pension plans were as follows:



For the years ended December 31,	2018			2017
Change in PBO:
PBO at beginning of year	$	1,804		$	1,421
Service cost	352			661
Interest	146			165
Actuarial loss	(187		)	(237		)
Benefits paid by plan	(195		)	(124		)
Participants contributions	—			—
Curtailment gain	(47		)	(153		)
Settlements	—			—
Administrative expenses	—			—
Foreign exchange	(8		)	71
PBO at end of year	$	1,865		$	1,804
Change in plan assets:
Fair value of assets at beginning of year	$	—		$	—
Fair value of assets at end of year	$	—		$	—
Unfunded status	$	1,865		$	1,804

Actuarial loss	$	(610	)	$	(439	)
Prior service cost	—			—
Amount recognized in AOCI, pre-tax	$	(610	)	$	(439	)

Accumulated benefit obligation	$	1,865		$	1,804

Schedule of estimated future benefit payments

The Company estimates that employer contributions to plan assets during 2019 will be approximately the same as during the year ended December 31, 2018. The estimated future benefit payments for the next 10 fiscal years are as follows:



For the year ending December 31,
2019	$	218
2020	201
2021	223
2022	225
2023	263
2024 through 2028	1,825