Employee Benefit Plans (Schedule of Changes in Plan Assets and Funded Status) (Details) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Change in plan assets
Fair value of plan assets at beginning of year	$ 14,850
Actual return on plan assets	9
Fair value of plan assets at end of year	16,912	$ 14,850
United States
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	10,093	9,661
Change in projected benefit obligation
Projected benefit obligation at beginning of year	9,661	10,605
Service cost	0	0	$ 0
Interest cost	376	350	393
Actuarial (gain) loss	728	(602)
Benefits paid	(672)	(692)
Other	0	0
Currency translation adjustment	0	0
Projected benefit obligation at end of year	10,093	9,661	10,605
Change in plan assets
Fair value of plan assets at beginning of year	9,179	10,055
Actual return on plan assets	1,370	(452)
Employer and employee contributions	323	307
Benefits paid	(672)	(692)
Other	0	(39)
Currency translation adjustment	0	0
Fair value of plan assets at end of year	10,200	9,179	10,055
Funded status	107	(482)
Amounts recognized in the statement of financial position consist of:
Non-current assets	2,420	1,830
Other current liabilities	0	0
Other long-term liabilities	(2,313)	(2,312)
Net amount recognized	$ 107	$ (482)
United States | Minimum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.25%	4.02%
United States | Maximum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.35%	4.08%
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 13,761	$ 12,240
Change in projected benefit obligation
Projected benefit obligation at beginning of year	12,617	14,904
Service cost	92	92	98
Interest cost	291	293	286
Actuarial (gain) loss	1,635	(386)
Benefits paid	(525)	(1,621)
Other	(51)	17
Currency translation adjustment	97	(682)
Projected benefit obligation at end of year	14,156	12,617	14,904
Change in plan assets
Fair value of plan assets at beginning of year	5,671	7,322
Actual return on plan assets	831	(207)
Employer and employee contributions	521	525
Benefits paid	(525)	(1,621)
Other	0	0
Currency translation adjustment	214	(348)
Fair value of plan assets at end of year	6,712	5,671	$ 7,322
Funded status	(7,444)	(6,946)
Amounts recognized in the statement of financial position consist of:
Non-current assets	0	0
Other current liabilities	(77)	(83)
Other long-term liabilities	(7,367)	(6,863)
Net amount recognized	$ (7,444)	$ (6,946)
Non-U.S. Plans | Minimum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	0.90%	2.00%
Percentage point increase or decrease on accumulated postretirement benefit obligation	2.00%	2.00%
Non-U.S. Plans | Maximum
Weighted-average assumptions
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	1.95%	2.80%
Percentage point increase or decrease on accumulated postretirement benefit obligation	3.50%	3.70%