Annual report pursuant to Section 13 and 15(d)

Schedule of Company’s Board had declared cash dividends on common stock (Details)

v3.8.0.1
Schedule of Company’s Board had declared cash dividends on common stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dividend Amount $ 5,638 $ 3,604
Common Stock [Member] | Dividend Declared On 140916 [Member]    
Date Announced Sep. 14, 2016  
Record Date Sep. 27, 2016  
Applicable Quarter Q3 2016  
Payment Date Oct. 11, 2016  
Dividend Amount [1] $ 3,593  
Dividends per Share $ 0.20  
Common Stock [Member] | Dividend Declared On 141216 [Member]    
Date Announced Dec. 14, 2016  
Record Date Dec. 27, 2016  
Applicable Quarter Q4 2016  
Payment Date Jan. 10, 2017  
Dividend Amount [1] $ 3,604  
Dividends per Share $ 0.20  
Common Stock [Member] | Dividend Declared On 200317 [Member]    
Date Announced Mar. 20, 2017  
Record Date Mar. 27, 2017  
Applicable Quarter Q1 2017  
Payment Date Apr. 10, 2017  
Dividend Amount [1] $ 3,603  
Dividends per Share $ 0.20  
Common Stock [Member] | Dividend Declared On 160617 [Member]    
Date Announced Jun. 16, 2017  
Record Date Jun. 27, 2017  
Applicable Quarter Q2 2017  
Payment Date Jul. 10, 2017  
Dividend Amount [1] $ 3,608  
Dividends per Share $ 0.20  
Common Stock [Member] | Dividend Declared On 080917 [Member]    
Date Announced Sep. 08, 2017  
Record Date Sep. 26, 2017  
Applicable Quarter Q3 2017  
Payment Date Oct. 09, 2017  
Dividend Amount [1] $ 4,416  
Dividends per Share $ 0.20  
Common Stock [Member] | Dividend Declared On 151217 [Member]    
Date Announced Dec. 15, 2017  
Record Date Dec. 26, 2017  
Applicable Quarter Q4 2017  
Payment Date Jan. 10, 2018  
Dividend Amount [1] $ 4,552  
Dividends per Share $ 0.20  
Preferred Stock [Member] | Dividend Declared On 151217 [Member]    
Date Announced Dec. 15, 2017  
Record Date Jan. 15, 2018  
Applicable Quarter Q4 2017  
Payment Date Jan. 31, 2018  
Dividend Amount [2] $ 969  
Dividends per Share $ 0.46875  
Preferred Stock [Member] | Dividend Declared On 290917 [Member]    
Date Announced Sep. 29, 2017  
Record Date Oct. 15, 2017  
Applicable Quarter Q3 2017  
Payment Date Oct. 31, 2017  
Dividend Amount [2] $ 745  
Dividends per Share $ 0.23960  
[1] Includes dividends on granted LTIP units and OP Units issued to third parties.
[2] Represents the November 2017 and December 2017 portion of the total $1,455 three month dividend amount.