Quarterly Results (unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following table reflects selected quarterly results for the Company.

 

	Three Months Ended
(in thousands, except per share data)	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019
Revenue	$	158,843	$	158,914	$	155,152	$	160,997
Operating income	24,787		24,020		25,359		22,880
Net income	13,910		13,150		14,354		13,521
Net income per share - basic	$	0.28	$	0.26	$	0.29	$	0.27
Net income per share - diluted	$	0.28	$	0.26	$	0.29	$	0.27
	Three Months Ended
(in thousands except per share data)	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018
Revenue	$	154,138	$	156,501	$	158,731	$	161,484
Operating income	16,754		21,169		28,329		26,994
Net income	6,583		9,626		15,534		14,852
Net income per share - basic	$	0.13	$	0.19	$	0.31	$	0.31
Net income per share - diluted	$	0.13	$	0.19	$	0.31	$	0.30

Schedule of Error Corrections and Prior Period Adjustments

	Three Months Ended
(in thousands, except per share data)	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019
Revenue	$	158,843	$	158,914	$	155,152	$	160,997
Operating income	24,787		24,020		25,359		22,880
Net income	13,910		13,150		14,354		13,521
Net income per share - basic	$	0.28	$	0.26	$	0.29	$	0.27
Net income per share - diluted	$	0.28	$	0.26	$	0.29	$	0.27
	Three Months Ended
(in thousands except per share data)	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018
Revenue	$	154,138	$	156,501	$	158,731	$	161,484
Operating income	16,754		21,169		28,329		26,994
Net income	6,583		9,626		15,534		14,852
Net income per share - basic	$	0.13	$	0.19	$	0.31	$	0.31
Net income per share - diluted	$	0.13	$	0.19	$	0.31	$	0.30