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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Computation of Basic and Dilutive Net Income Per Share
The following table presents the computation of basic and diluted earnings per common share for the periods indicated (dollar and share amounts in thousands, except per share amounts):
 
 
Twelve Months Ended December 31,
 
 
2018
 
2017
 
2016
Basic Earnings per Common Share
 
 
 
 
 
 
Net income attributable to Company
 
$
102,886

 
$
91,980

 
$
67,551

Less: Preferred stock dividends
 
(23,700
)
 
(15,660
)
 
(12,900
)
Net income attributable to Company's common stockholders
 
$
79,186

 
$
76,320

 
$
54,651

Basic weighted average common shares outstanding
 
127,243

 
111,836

 
109,594

Basic Earnings per Common Share
 
$
0.62

 
$
0.68

 
$
0.50

 
 
 
 
 
 
 
Diluted Earnings per Common Share:
 
 
 
 
 
 
Net income attributable to Company
 
$
102,886

 
$
91,980

 
$
67,551

Less: Preferred stock dividends
 
(23,700
)
 
(15,660
)
 
(12,900
)
Add back: Interest expense on convertible notes for the period, net of tax
 
10,475

 
9,158

 

Net income attributable to Company's common stockholders
 
$
89,661

 
$
85,478

 
$
54,651

Weighted average common shares outstanding
 
127,243

 
111,836

 
109,594

Net effect of assumed convertible notes conversion to common shares
 
19,695

 
18,507

 

Net effect of assumed PSUs vested
 
512

 

 

Diluted weighted average common shares outstanding
 
147,450

 
130,343

 
109,594

Diluted Earnings per Common Share
 
$
0.61

 
$
0.66

 
$
0.50