Fair Value (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Carrying Amounts and Fair Values of Certain Assets

			Fair Value at December 31, 2017 Using
			Quoted Prices in
	Carrying		Active Markets for		Significant Other		Significant
	Amount at		Identical Assets		Observable Inputs		Unobservable Inputs
(In thousands)	12/31/2017		(Level 1)		(Level 2)		(Level 3)
Description
Contingent consideration	$	586	$	—	$	—	$	586
Total	$	586	$	—	$	—	$	586

The following table summarizes the carrying amounts and fair values of certain assets at December 31, 2016:

			Fair Value at December 31, 2016 Using
			Quoted Prices in
	Carrying		Active Markets for		Significant Other		Significant
	Amount at		Identical Assets		Observable Inputs		Unobservable Inputs
(In thousands)	12/31/2016		(Level 1)		(Level 2)		(Level 3)
Description
Contingent consideration	$	1,120	$	—	$	—	$	1,120
Total	$	1,120	$	—	$	—	$	1,120