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Earnings Per Common Share (Tables)
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Earnings per common share information as follows (in thousands, except per share amounts):
 
 
 
Three months ended
March 31,
 
 
 
2014
 
2013
 
Earnings Per Common Share – Basic:
 
 
 
 
 
 
 
Net income
 
$
8,521
 
$
2,390
 
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding
 
 
44,092
 
 
43,693
 
 
 
 
 
 
 
 
 
Basic earnings per share
 
$
0.19
 
$
0.05
 
 
 
 
 
 
 
 
 
Earnings Per Common Share – Diluted:
 
 
 
 
 
 
 
Net income
 
$
8,521
 
$
2,390
 
Add-back interest expense on outstanding convertible notes payable, net of tax
 
 
-
 
 
754
 
Adjusted net income
 
$
8,521
 
$
3,144
 
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding
 
 
44,092
 
 
43,693
 
Weighted-average incremental shares related to vesting of nonvested shares
 
 
161
 
 
300
 
Weighted-average incremental shares assuming conversion of outstanding notes payable
 
 
-
 
 
17,125
 
Weighted-average common shares outstanding and common share equivalents
 
 
44,253
 
 
61,118
 
 
 
 
 
 
 
 
 
Diluted earnings per share
 
$
0.19
 
$
0.05