• Filing Date: 2014-03-12
  • Form Type: 10-K
  • Description: Annual report
v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Series A Preferred Stock [Member]
Jan. 23, 2014
Subsequent Event [Member]
Dec. 31, 2013
Subsequent Event [Member]
Feb. 04, 2014
Subsequent Event [Member]
Series A Preferred Stock [Member]
Subsequent Event [Line Items]              
Dividends per common share $ 0.95 $ 0.88 $ 0.53   $ 0.275    
Date of Dividend Payable           Mar. 21, 2014  
Record Date of Dividend Payable           Feb. 21, 2014  
Series A cumulative convertible preferred stock, dividend rate 7.00%     7.00%     7.00%
Conversion rights termination date             Apr. 01, 2014