Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Measurements for Assets and Liabilities at Fair Value on Recurring Basis

The following table summarizes fair value measurements by level at December 31, 2017 and 2016, for assets and liabilities measured at fair value on a recurring basis:



(Dollar amounts in thousands)	Level 1		Level 2		Level 3		Total
December 31, 2017
Financial asset:
Interest rate swap	$	—	$	214	$	—	$	214
December 31, 2016
Financial liability:
Interest rate swap	$	—	$	1,964	$	—	$	1,964

Carrying Value and Estimated Fair Values for Financial Instruments

The following table presents the carrying value, as applicable, and estimated fair values for financial instruments at December 31, 2017 and 2016:



	December 31,
	2017				2016
(Dollar amounts in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Interest rate swap	$	214	$	214	$	—	$	—
Financial liabilities:
Interest rate swap	—		—		1,964		1,964
Senior Secured Term B Loan	376,395		370,540		378,074		383,491
2018 Term A Loan	26,690		26,027		28,721		29,268
2020 Term A Loan	200,653		196,584		212,661		213,872