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Quarterly Operating Results (Unaudited)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Data [Abstract]  
Quarterly Operating Results (Unaudited)
Quarterly Operating Results (Unaudited)

 
 
2016 Quarter Ended
 
 
March 31
 
June 30
 
September 30
 
December 31
 
 
(In thousands, except per share data)
Total revenue
 
$
213,034

 
$
256,664

 
$
220,239

 
$
206,621

Total operating expenses
 
188,723

 
198,559

 
178,936

 
172,870

Operating income
 
$
24,311

 
$
58,105

 
$
41,303

 
$
33,751

Net income
 
$
16,778

 
$
44,175

 
$
29,937

 
$
23,906

Basic earnings per share
 
$
0.08

 
$
0.22

 
$
0.15

 
$
0.12

Diluted earnings per share
 
$
0.08

 
$
0.22

 
$
0.15

 
$
0.12


 
 
2015 Quarter Ended
 
 
March 31
 
June 30
 
September 30
 
December 31
 
 
(In thousands, except per share data)
Total revenue
 
$
208,888

 
$
249,801

 
$
238,502

 
$
233,799

Total operating expenses
 
187,482

 
205,637

 
197,086

 
195,511

Operating income
 
$
21,406

 
$
44,164

 
$
41,416

 
$
38,288

Net income
 
$
10,641

 
$
24,822

 
$
24,464

 
$
25,703

Basic earnings per share
 
$
0.05

 
$
0.12

 
$
0.12

 
$
0.14

Diluted earnings per share
 
$
0.05

 
$
0.12

 
$
0.12

 
$
0.14