Selected Quarterly Financial Data (Unaudited) (Tables)
12 Months Ended
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Selected Quarterly Financial Data (Unaudited)
The Company believes that all necessary adjustments, consisting only of normal recurring adjustments, have been included in the amounts stated below to present fairly, and in accordance with GAAP, the selected quarterly information (amounts in thousands, except shares and per share data):
 
2018
 
Fourth
Quarter
 
Third
Quarter
 
Second
Quarter
 
First
Quarter
Total revenue
$
46,569

 
$
45,518

 
$
43,950

 
$
41,295

Total expenses
(30,627
)
 
(28,863
)
 
(28,556
)
 
(26,049
)
Income from operations
15,942

 
16,655

 
15,394

 
15,246

Interest and other expense, net
(9,476
)
 
(8,938
)
 
(8,208
)
 
(7,742
)
Net income attributable to common stockholders
$
6,466

 
$
7,717

 
$
7,186

 
$
7,504

Net income per common share attributable to common stockholders:
 
 
 
 
 
 
 
Basic
$
0.05

 
$
0.06

 
$
0.06

 
$
0.06

Diluted
$
0.05

 
$
0.06

 
$
0.06

 
$
0.06

Weighted average number of common shares outstanding:
 
 
 
 
 
 
 
Basic
135,271,638

 
132,467,127

 
129,926,130

 
126,384,346

Diluted
135,297,138

 
132,491,755

 
129,948,432

 
126,401,940

 
2017
 
Fourth
Quarter
 
Third
Quarter
 
Second
Quarter
 
First
Quarter
Total revenue
$
37,266

 
$
36,205

 
$
27,602

 
$
24,022

Total expenses
(23,926
)
 
(23,980
)
 
(17,888
)
 
(15,467
)
Income from operations
13,340

 
12,225

 
9,714

 
8,555

Interest and other expense, net
(6,932
)
 
(6,786
)
 
(5,073
)
 
(3,764
)
Net income attributable to common stockholders
$
6,408

 
$
5,439

 
$
4,641

 
$
4,791

Net income per common share attributable to common stockholders:
 
 
 
 
 
 
 
Basic
$
0.05

 
$
0.05

 
$
0.05

 
$
0.06

Diluted
$
0.05

 
$
0.05

 
$
0.05

 
$
0.06

Weighted average number of common shares outstanding:
 
 
 
 
 
 
 
Basic
119,651,271

 
105,388,118

 
94,910,818

 
86,482,927

Diluted
119,666,234

 
105,405,297

 
94,925,665

 
86,499,543