Schedule II - Valuation and Qualifying Accounts Schedule II Valuation and Qualifying Accounts (Notes)

12 Months Ended

Dec. 31, 2018

SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II -Valuation and Qualifying Accounts

The roll forward of valuation accounts were as follows:

	(Dollars in thousands)
Description	Balance at Beginning of Period		Charged to Costs and Expenses		Deductions			Balance at End of Period
Allowance for doubtful accounts: (1)
Year ended December 31, 2019	$	549	$	623	$	(579	)	$	593
Year ended December 31, 2018	$	476	$	695	$	(622	)	$	549
Valuation allowance for deferred tax assets:
Year ended December 31, 2019	$	2,569	$	—	$	(1,334	)	$	1,235
Year ended December 31, 2018	$	2,556	$	13	$	—		$	2,569

(1) Deductions reflect uncollected receivables written off, net of recoveries and translation adjustments.