Pension and Other Post Retirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost for Company's Defined Benefit Plans

The components of net periodic benefit cost for the Company’s defined benefit plans for the years ended December 31, 2020, 2019 and 2018 were as follows:

	U.S. Plan									German Plan
	Year Ended December 31,									Year Ended December 31,
	2020			2019			2018			2020			2019			2018
Net periodic benefit cost:
Service cost	$	—		$	—		$	—		$	—		$	—		$	—
Interest cost		85			127			114			88			147			147
Expected return on plan assets		—			—			—			(121	)		(126	)		(130	)
Amortization of prior service cost and actuarial loss		7			—			—			124			72			73
Net periodic benefit cost	$	92		$	127		$	114		$	91		$	93		$	90
Assumptions:
Discount rate		2.40	%		3.65	%		2.95	%		1.08	%		1.06	%		2.04	%
Long-term return on assets	N/A			N/A			N/A				2.90	%		3.10	%		3.40	%

Reconciliation of Change in Benefit Obligation, Change in Plan Assets and Balance Sheet Classification

A reconciliation of the change in benefit obligation and the change in plan assets for the years ended December 31, 2020 and 2019 is as follows:

	U.S. Plan						German Plan
	As of December 31,						As of December 31,
	2020			2019			2020			2019
Change in projected benefit obligation:
Balance at beginning of year	$	3,871		$	3,832		$	8,353		$	7,529
Interest cost		85			127			88			147
Paid pension distributions		(342	)		(342	)		(294	)		(285	)
Actuarial losses		233			254			40			1,116
Exchange rate impact		—			—			747			(154	)
Balance at end of year	$	3,847		$	3,871		$	8,934		$	8,353
Change in plan assets:
Balance at beginning of year		—		$	—			3,825			3,808
Actual return on plan assets		—			—			121			126
Contributions		—			—			294			284
Paid pension distributions		—			—			(294	)		(284	)
Actuarial losses		—			—			(25	)		(30	)
Exchange rate impact		—			—			355			(79	)
Balance at end of year	$	—		$	—		$	4,276		$	3,825
Underfunded Status	$	(3,847	)	$	(3,871	)	$	(4,658	)	$	(4,528	)
Balance sheet classification:
Other current liabilities		(342	)		(342	)		—			—
Pension benefit obligation		(3,505	)		(3,529	)		(4,658	)		(4,528	)
Accumulated other comprehensive loss (pre-tax):
Actuarial losses		701			476			3,644			3,398
Assumptions:
Discount rate		1.20	%		2.40	%		1.08	%		1.06	%

Summary of Pre-tax Amounts in AOCI Expected to Be Recognized in Net Periodic Benefit Cost

Pre-tax amounts included in AOCI that are expected to be recognized in net periodic benefit cost during the year ended December 31, 2021 are as follows:

	U.S Plan		German Plan
Actuarial losses	$	26	$	126

Summary of Accumulated Benefit Obligations

The accumulated benefit obligations were as follows:

	U.S. Plan				German Plan
	As of December 31,				As of December 31,
	2020		2019		2020		2019
Accumulated benefit obligation	$	3,847	$	3,871	$	8,934	$	8,529

Schedule of Future Expected Pension Payments

The schedule of future expected pension payments is as follows:

	Projected Pension Benefit Payments
Year	U.S Plan		German Plan
2021	$	342	$	296
2022		342		291
2023		342		301
2024		342		295
2025		342		287
2026-2030		1,710		2,886
Total	$	3,420	$	4,356