• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Stockholders' Equity (Preferred Stock) - Additional Information (Detail)
12 Months Ended
Dec. 31, 2016
shares
Dec. 31, 2013
Vote
$ / shares
shares
Dec. 31, 2015
shares
Subsequent Event [Line Items]      
Preferred shares issued 0   0
Preferred shares outstanding 0   0
Preferred shares Authorized 18,100,000   18,100,000
Additional shares of preferred stock authorized to issue, no par value 18,100,000    
Series B Preferred Stock [Member]      
Subsequent Event [Line Items]      
Preferred shares issued 0   0
Preferred shares outstanding 0   0
Preferred shares Authorized 400,000 400,000 400,000
Minimum dividend payment per shares | $ / shares   $ 1.00  
Ratio of maximum aggregate preferred stock dividend to common stock dividend per share   100  
Number of votes per shares | Vote   100  
Ratio of maximum aggregate preferred stock liquidation payment to common stock liquidation payment   100  
Series B Preferred Stock [Member] | Minimum [Member]      
Subsequent Event [Line Items]      
Preferred stock liquidation preference | $ / shares   $ 100  
Series A Cumulative Convertible Preferred Stock [Member]      
Subsequent Event [Line Items]      
Preferred shares issued 0   0
Preferred shares outstanding 0   0