Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Selected Information for Each Operating Segment

Selected information regarding the Company’s segments is provided as follows:

	Three Months Ended March 31,
(in thousands)	2018				2017
Revenues from external customers
U.S.	$	71,488			$	71,027
International	11,142				10,332
Total revenues from external customers	$	82,630		—	$	81,359
Operating income
U.S.	$	14,156			$	11,168
International	981				759
Total operating income	15,137				11,927
Interest expense	4,050				5,420
Loss on extinguishment of debt	—				2,161
Other income	(920		)		(577		)
Income before income taxes	$	12,007			$	4,923