Shareholders' equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of components of accumulated other comprehensive income

The following shows the components of accumulated other comprehensive income or loss as of December 31, 2019 and 2018, respectively:

	Foreign Currency Translation			Pension Benefit			Total
(in thousands)
Balance at January 1, 2017	$	(31,472	)	$	(1,498	)	$	(32,970	)
Other comprehensive loss net of tax benefit (expense) of ($0) and $37, respectively	21,273			(944		)	20,329
Amounts reclassified from accumulative other comprehensive income, net of $0 tax	145			—			145
Balance at December 31, 2017	(10,054		)	(2,442		)	(12,496		)
Other comprehensive loss net of tax benefit (expense) of ($0) and $ (59), respectively	(12,911		)	757			(12,154		)
Balance at December 31, 2018	(22,965		)	(1,685		)	(24,650		)
Other comprehensive loss net of tax benefit (expense) of ($0) and $95, respectively	885			(1,064		)	(179		)
Balance at December 31, 2019	$	(22,080	)	$	(2,749	)	$	(24,829	)