Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity (Details)

v3.19.1
Stockholder's Equity (Details) - USD ($)
 3 Months Ended
Mar. 31, 2019
Jan. 09, 2019
Oct. 30, 2018
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Nov. 09, 2018
Aug. 06, 2018
Class of Stock [Line Items]                
Repurchase of preferred stock       $ 60,550 $ 0      
Shares of common stock issued (in shares) 12,808,341     12,808,341   11,960,225    
Aggregate offering price             $ 600,000,000  
Series A Cumulative Redeemable Preferred Stock [Member]                
Class of Stock [Line Items]                
Preferred stock interest rate       7.375%        
Depositary Shares [Member]                
Class of Stock [Line Items]                
Shares outstanding 5,019,727     5,019,727        
Depositary Shares [Member] | Series A Cumulative Redeemable Preferred Stock [Member]                
Class of Stock [Line Items]                
Shares repurchased (in shares)   2,500            
Repurchase of preferred stock   $ 61,000            
Preferred Stock [Member]                
Class of Stock [Line Items]                
Shares outstanding 50,197     50,197        
Authorized repurchase amount               $ 10,000,000
Preferred Stock [Member] | Series A Cumulative Redeemable Preferred Stock [Member]                
Class of Stock [Line Items]                
Preferred stock interest rate       7.375%        
Dividend Reinvestment Plan [Member]                
Class of Stock [Line Items]                
Reinvestment of distributions to stockholders (in shares) 22,003   1,000,000          
Remaining availability (in shares) 977,997     977,997