Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

As of December 31, 2018 and 2017, the fair value carrying amount of the Company's derivatives designated as hedging instruments are recorded as follows (dollars in thousands):

		Asset / (Liability) Derivatives
Derivatives designated as hedging instruments	Balance Sheet Caption	December 31, 2018		December 31, 2017
Net Investment Hedges
Cross-currency swaps	Other assets	$	130	$	—
Cross-currency swaps	Other long-term liabilities	—		(4,110		)

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The following table summarizes the income (loss) recognized in AOCI on derivative contracts designated as hedging instruments as of December 31, 2018 and 2017, and the amounts reclassified from AOCI into earnings for the years ended December 31, 2018, 2017 and 2016 (dollars in thousands):

	Amount of Income (Loss) Recognized in AOCI on Derivative (Effective Portion, net of tax)					Location of Loss Reclassified from AOCI into Earnings (Effective Portion)	Amount of Loss Reclassified from AOCI into Earnings
	As of December 31,						Year ended December 31,
	2018		2017				2018		2017			2016
Net Investment Hedges
Cross-currency swaps	$	940	$	(3,170	)	Other expense, net	$	—	$	—		$	—
Cash Flow Hedges
Interest rate swaps	$	—	$	—		Interest expense	$	—	$	(320	)	$	(670	)
						Debt financing and related expenses	$	—	$	(4,680	)	$	—

Fair Value Measurements, Recurring and Nonrecurring

Fair value measurements and the fair value hierarchy level for the Company's assets and liabilities measured at fair value on a recurring basis as of December 31, 2018 and 2017 are as follows (dollars in thousands):

	Description	Frequency	Asset / (Liability)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
December 31, 2018	Cross-currency swaps	Recurring	$	130		$	—	$	130		$	—
December 31, 2017	Cross-currency swaps	Recurring	$	(4,110	)	$	—	$	(4,110	)	$	—