XML 106 R91.htm IDEA: XBRL DOCUMENT v3.10.0.1
Shareholders Equity (Narrative) (Details) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 30, 2017
Dec. 31, 2018
Dec. 31, 2017
May 30, 2017
Shareholders Equity [Line Items]        
Capital shares authorized   50,210,000    
Common stock, shares authorized   50,000,000 50,000,000  
Common stock, par value   $ 0.01 $ 0.01  
Preferred stock, shares authorized   210,000    
Preferred stock, par value   $ 100    
Preferred stock, shares issued   173,282 173,286  
Preferred stock, shares outstanding   173,282 173,286  
Common stock issued for "at-the-market" equity offering   1,363,964 1,363,964  
Shares issued weighted average price $ 29.33      
Proceeds from Issuance of common stock, gross $ 40,000,000      
Proceeds from issuance of common stock $ 38,300,000   $ 38,303,000  
Maximum [Member]        
Shareholders Equity [Line Items]        
Common stock approved for issuance       $ 40,000
Preferred Class A [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized   10,000    
Preferred Class B [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized   200,000    
Series A 3% Preferred Stock [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares issued   1,435 1,439  
Preferred stock, shares outstanding   1,435 1,439  
Preferred stock, dividend percentage   3.00% 3.00%  
Preferred stock, dividend per share   $ 3.00    
Series B-1 8.48% Preferred Stock [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized     200,000  
Preferred stock, par value   $ 100 $ 100  
Preferred stock, shares issued   171,847 171,847  
Preferred stock, shares outstanding   171,847 171,847  
Preferred stock, dividend percentage   8.48% 8.48%  
Preferred stock, dividend per share   $ 8.48