Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Statutory tax rate, percentage	21.00%	21.00%	35.00%
Deferred tax assets, net of operating losses	$ 11,500
Deferred tax assets, net of operating losses	700
Undistributed earnings of foreign subsidiaries	35,100
Foreign earnings repatriated	10,000
Foreign withholding tax	500
Cash held in foreign operations	13,300
Estimated future foreign withholding tax obligation	700
Unrecognized tax benefits that would affect the effective tax rate		$ 300
Lapses of applicable statute of limitations	$ 329	3,060	$ 0
Minimum
Operating Loss Carryforwards [Line Items]
Statute of limitations expiration period, in years	4 years
Maximum
Operating Loss Carryforwards [Line Items]
Statute of limitations expiration period, in years	10 years
Federal
Operating Loss Carryforwards [Line Items]
Deferred tax assets, net of operating losses	$ 500
Deferred tax assets, net of operating losses	100
State
Operating Loss Carryforwards [Line Items]
Deferred tax assets, net of operating losses	10,800
Deferred tax assets, net of operating losses	600
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Deferred tax assets, net of operating losses	$ 200
Germany and Brazil
Operating Loss Carryforwards [Line Items]
Deferred tax assets, net of operating losses		$ 1,700