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Quaterly Results (Unaudited)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Information
QUARTERLY RESULTS (UNAUDITED)

 
Three Months Ended
 
March 31,
 
June 30,
 
September 30,
 
December 31,
 
(In thousands, except per share data)
2017
 
 
 
 
 
 
 
Revenues
$
122,633

 
$
178,073

 
$
171,128

 
$
182,586

Income before income taxes
$
5,938

 
$
12,650

 
$
(45,487
)
 
$
27,809

Net income
$
3,899

 
$
7,257

 
$
(28,012
)
 
$
27,001

Earnings per common share - Basic (1)
$
0.18

 
$
0.17

 
$
(0.66
)
 
$
0.63

Earnings per common share - Diluted (1)
$
0.18

 
$
0.17

 
$
(0.66
)
 
$
0.63

 
 
 
 
 
 
 
 
2016
 
 
 
 
 
 
 
Revenues
$
107,561

 
$
120,921

 
$
127,202

 
$
131,433

Income before income taxes
$
4,330

 
$
15,210

 
$
5,041

 
$
(17,578
)
Net income
$
2,951

 
$
9,841

 
$
3,423

 
$
(10,517
)
Earnings per common share - Basic (1)
$
0.14

 
$
0.46

 
$
0.16

 
$
(0.49
)
Earnings per common share - Diluted (1)
$
0.14

 
$
0.45

 
$
0.16

 
$
(0.49
)
(1) The sum of the quarterly reported amounts may not equal the full year, as each is computed independently.