XML 48 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Quarterly Financial Information (unaudited) (Tables)
 12 Months Ended
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
The quarterly results of operations of our company for the years ended December 31, 2018, 2017 and 2016 are as follows (amounts in thousands):
 
March 31, 2018
 
June 30, 2018
 
September 30, 2018
 
December 31, 2018
Revenues
$
167,271

 
$
178,529

 
$
186,402

 
$
199,309

Operating income
$
34,164

 
$
49,665

 
$
48,538

 
$
58,490

Net income
$
18,058

 
$
30,184

 
$
29,230

 
$
39,781

Net income attributable to common stockholders
$
9,768

 
$
16,651

 
$
16,342

 
$
22,842

Net income per share attributable to common stockholders:
 
 
 
 
 
 
 
Basic and diluted
$
0.06

 
$
0.10

 
$
0.10

 
$
0.13

 
 
 
 
 
 
 
 
 
March 31, 2017
 
June 30, 2017
 
September 30, 2017
 
December 31, 2017
Revenues
$
164,333

 
$
176,349

 
$
186,547

 
$
182,297

Operating income
$
36,045

 
$
50,659

 
$
56,008

 
$
50,191

Net income
$
19,145

 
$
31,359

 
$
35,489

 
$
32,260

Net income attributable to common stockholders
$
9,985

 
$
16,584

 
$
18,806

 
$
17,272

Net income per share attributable to common stockholders:
 
 
 
 
 
 
 
Basic and diluted
$
0.06

 
$
0.10

 
$
0.12

 
$
0.11

 
 
 
 
 
 
 
 
 
March 31, 2016
 
June 30, 2016
 
September 30, 2016
 
December 31, 2016
Revenues
$
157,057

 
$
165,785

 
$
175,704

 
$
178,807

Operating income
$
34,097

 
$
44,162

 
$
53,442

 
$
52,195

Net income
$
16,705

 
$
24,640

 
$
32,897

 
$
33,008

Net income attributable to common stockholders
$
7,428

 
$
11,089

 
$
15,973

 
$
16,966

Net income per share attributable to common stockholders:
 
 
 
 
 
 
 
Basic and diluted
$
0.06

 
$
0.09

 
$
0.12

 
$
0.11