Redeemable Non-controlling Interests and Non-controlling Interest (Tables)

12 Months Ended

Dec. 31, 2017

Noncontrolling Interest [Abstract]

Summary of activity for account balances whose fair value measurements are estimated utilizing level 3 inputs

The following table summarizes the activity for account balances whose fair value measurements are estimated utilizing Level 3 inputs:

	December 31,
(in thousands)	2017		2016
Balance - beginning of year	$	-	$	99,000
Net income		-		1,018
Fair value adjustments		-		3,482
Purchase of non-controlling interest		-		(103,500	)
Balance - end of year	$	-	$	-