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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following is a calculation of basic and diluted earnings per share and weighted-average shares outstanding (in thousands, except per share amounts):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2017
 
2016
 
2017
 
2016
Net income
$
1,822

 
$
4,854

 
$
3,162

 
$
5,965

 
 
 
 
 
 
 
 
Weighted-average shares outstanding—basic
47,953

 
48,607

 
47,775

 
49,034

Add shares issuable from stock-based awards
315

 
672

 
533

 
816

Weighted-average shares outstanding—diluted
48,268

 
49,279

 
48,308

 
49,850

 
 
 
 
 
 
 
 
Basic earnings per share
$
0.04

 
$
0.10

 
$
0.07

 
$
0.12

Diluted earnings per share
$
0.04

 
$
0.10

 
$
0.07

 
$
0.12