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Net Income (Loss) per Share (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Earnings Attributable to Common Shareholders and Weighted Average Common Shares Outstanding
The computations of basic and diluted earnings per share are as follows:
 
Second Quarter
 
First Six Months
 
2017
 
2016
 
2017
 
2016
 
(In thousands)
Numerator:
 
 
 
 
 
 
 
Continuing operations
 
 
 
 
 
 
 
Net income (loss) from continuing operations
$
(3,760
)
 
$
12,302

 
$
21,067

 
$
16,222

Less: Net (income) attributable to noncontrolling interest
(48
)
 
(640
)
 
(88
)
 
(720
)
Earnings (loss) available for diluted earnings per share
$
(3,808
)
 
$
11,662

 
$
20,979

 
$
15,502

Less: Undistributed net income from continuing operations allocated to participating securities
—

 
(2,173
)
 
—

 
(2,889
)
Earnings (loss) from continuing operations available to common shareholders for basic earnings per share
$
(3,808
)
 
$
9,489

 
$
20,979

 
$
12,613

 
 
 
 
 
 
 
 
Discontinued operations
 
 
 
 
 
 
 
Net income (loss) from discontinued operations available for diluted earnings per share
$
1,229

 
$
(2,048
)
 
$
1,647

 
$
(10,264
)
Less: Undistributed net income from discontinued operations allocated to participating securities
—

 
382

 
—

 
1,913

Earnings (loss) from discontinued operations available to common shareholders for basic earnings per share
$
1,229

 
$
(1,666
)
 
$
1,647

 
$
(8,351
)
Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
42,259

 
34,302

 
42,171

 
34,302

Weighted average common shares upon conversion of participating securities
—

 
7,857

 
—

 
7,857

Dilutive effect of stock options, restricted stock and equity-settled awards
—

 
264

 
283

 
213

Total weighted average shares outstanding — diluted
42,259

 
42,423

 
42,454

 
42,372

Anti-dilutive awards excluded from diluted weighted average shares
1,774

 
1,987

 
1,663

 
2,218