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Quarterly Financial Summary (Unaudited) (Tables)
12 Months Ended
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Summary

Summary financial information by quarter is as follows (dollars in thousands, except per share data):

 

 

 

Quarter

 

 

Total

 

2018

 

First (2)

 

 

Second (3)

 

 

Third

 

 

Fourth (4)

 

 

Year

 

Revenue

 

$

148,065

 

 

$

142,036

 

 

$

145,690

 

 

$

145,505

 

 

$

581,296

 

Operating income

 

 

20,529

 

 

 

11,303

 

 

 

19,283

 

 

 

20,183

 

 

$

71,298

 

Net income

 

 

17,502

 

 

 

8,751

 

 

 

14,857

 

 

 

14,071

 

 

$

55,181

 

Net income per share (1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

0.25

 

 

$

0.13

 

 

$

0.21

 

 

$

0.20

 

 

$

0.79

 

Diluted

 

$

0.25

 

 

$

0.12

 

 

$

0.21

 

 

$

0.20

 

 

$

0.77

 

 

 

 

Quarter

 

 

Total

 

2017

 

First

 

 

Second

 

 

Third

 

 

Fourth (5)

 

 

Year

 

Revenue

 

$

162,109

 

 

$

146,222

 

 

$

144,986

 

 

$

143,118

 

 

$

596,435

 

Operating income

 

 

9,781

 

 

 

9,104

 

 

 

4,539

 

 

 

10,712

 

 

$

34,136

 

Net income (loss)

 

 

5,177

 

 

 

4,286

 

 

 

3,022

 

 

 

(44,382

)

 

$

(31,897

)

Net income (loss) per share (1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

0.08

 

 

$

0.06

 

 

$

0.04

 

 

$

(0.64

)

 

$

(0.46

)

Diluted

 

$

0.07

 

 

$

0.06

 

 

$

0.04

 

 

$

(0.64

)

 

$

(0.46

)

 

 

 

 

(1)

Basic and diluted earnings per share are calculated independently for each of the quarters presented. Accordingly, the sum of the quarterly earnings per share amounts may not agree with the annual earnings per share amount for the corresponding year.

For the year ended December 31, 2018, quarterly results included:

 

(2)

First quarter of 2018 net income included a $3.5 million significant legal settlement.

 

(3)

Second quarter of 2018 net income included a $6.0 million significant legal settlement.

 

(4)

Fourth quarter of 2018 net income included a $5.0 million significant legal settlement.

 

For the year ended December 31, 2017, quarterly results included:

 

(5)

Fourth quarter of 2017 net loss included a $6.5 million significant legal settlement. Fourth quarter 2017 also includes $52.7 million of tax expense related to the impact of the Tax Cuts and Jobs Act which was enacted in the fourth quarter of 2017.