Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Carrying and Estimated Fair Value of Other Financial Instruments

The following table presents the carrying amounts and estimated fair values of our financial instruments by hierarchy level as of March 31, 2019 and December 31, 2018:

	March 31, 2019
			Hierarchy Level
	Carrying Amount		Level 1		Level 2		Level 3
Liabilities
Acquisition-related contingent consideration, including current portion (1)	$	2,960	$	—	$	—	$	2,960
Long-term debt	316,250		—		317,783		—
Total	$	319,210	$	—	$	317,783	$	2,960

	December 31, 2018
			Hierarchy Level
	Carrying Amount		Level 1		Level 2		Level 3
Liabilities
Acquisition-related contingent consideration, including current portion (1)	$	2,960	$	—	$	—	$	2,960
Long-term debt	316,250		—		291,837		—
Total	$	319,210	$	—	$	291,837	$	2,960

⁽¹⁾  The short-term portion is included in “Accounts payable, accrued expenses and other,” and the long-term portion is included in “Other liabilities” on the Condensed Consolidated Balance Sheets.