Goodwill (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill

Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill are as follows (in thousands):

	March 31,		December 31,
	2018		2017
Balance at beginning of year	$	200,584	$	149,208
Additions (See Note 4)		2,615		52,481
Impairment adjustment		—		(1,105)
Balance at end of period	$	203,199	$	200,584