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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Compensation And Retirement Disclosure [Abstract]

The table below sets forth net periodic benefit costs of the plan for the twelve months ended December 31:

	Defined Benefit Plan
	2020			2019
Components of net periodic benefit cost:
Service cost	$	257		$	256
Interest cost		3,035			4,069
Recognized actuarial loss		2,100			1,546
Expected return on plan assets		(7,405	)		(7,511	)
Prior service cost		56			55
Net periodic benefit cost	$	(1,957	)	$	(1,585	)

Schedule of Benefit Obligation, Fair Value of Plan Assets, and Funded Status of our Plan

The table below sets forth the benefit obligation, the fair value of plan assets, and the funded status as of December 31:

	Defined Benefit Plan
	2020			2019
Change in benefit obligation:
Beginning balance	$	158,680		$	141,104
Service cost		257			255
Interest cost		3,027			4,045
Actuarial loss		12,522			11,214
Benefits paid		(4,769	)		(4,158	)
Currency changes		5,575			6,220
Benefit obligation at December 31	$	175,292		$	158,680

Change in plan assets:
Beginning balance - fair value	$	132,621		$	117,162
Employer contribution		2,822			2,629
Actual return on plan assets		12,535			11,791
Benefits paid		(4,769	)		(4,158	)
Currency changes		4,652			5,197
Fair value of plan assets at December 31	$	147,861		$	132,621
Underfunded status at December 31	$	(27,431	)	$	(26,059	)

Schedule of Assumptions Used

The following weighted-average assumptions were used to determine net periodic benefit costs for the twelve months ended December 31:

	2020			2019
Discount rate		1.3	%		2.9	%
Expected long-term return on plan assets		4.9	%		6.4	%

The following weighted-average assumption was used to determine the benefit obligations at December 31:

	2020				2019
Discount rate		1.3	%			2.0	%

Schedule of Allocation Of Plan Assets

The table below sets forth the plan asset allocations of the assets in the plan and expected long-term return by asset category

Asset category	Expected long-term return			Asset allocation
Growth assets		6.9	%		68	%
Hedging assets		0.7	%		30	%
Cash		0.1	%		2	%

Schedule of Expected Benefit Payments

Benefit plan payments are primarily made from funded benefit plan trusts and current assets. The table below sets forth the expected future benefit payments, including future benefit accrual, as of December 31, 2020

2021	$	4,566
2022		4,945
2023		5,339
2024		5,688
2025		5,759
2026-2030		30,859

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets

The following table summarizes the major categories of the plan assets:

	December 31, 2020
Asset category	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	14,390	$	-	$	-	$	14,390
Equity securities:
U.K.		-		1,066		-		1,066
Overseas equities		-		25,760		-		25,760
Emerging markets		-		7,607		-		7,607
Fixed income securities:
Government bonds		-		751		-		751
Non-government bonds		-		11,858		-		11,858
Other types of investments
Hedge funds		-		25,676		-		25,676
Property		-		2,693		-		2,693
Liability-driven investments		-		49,167		-		49,167
Commodities		-		8,890		-		8,890
Other		-		3		-		3
Total	$	14,390	$	133,471	$	-	$	147,861