XML 58 R41.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders' Equity - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
ATM [Member]
Mar. 01, 2012
ATM [Member]
Jun. 30, 2013
Restricted Stock [Member]
Jun. 30, 2012
Restricted Stock [Member]
Jun. 30, 2013
Restricted Stock [Member]
Jun. 30, 2012
Restricted Stock [Member]
Jun. 30, 2013
Series F Preferred Stock [Member]
Jun. 30, 2013
Noncontrolling Interest
Jun. 30, 2012
Noncontrolling Interest
Class of Stock [Line Items]                          
Depositary shares redeemed     4,000,000                    
Portion of preferred stock 0.0001   0.0001                    
Dividend rate per share     7.25%                    
Par value of each depositary share $ 0.01   $ 0.01                    
Redemption price per share $ 25.00   $ 25.00                    
Preferred dividend per depositary share     $ 0.055382                    
Total preferred dividend, depositary shares     $ 221                    
Cost associated with share redemption 3,546 0 3,546 0                  
Underwritten public offering shares     8,400,000                    
Net proceeds from underwriting     132,050                    
Shares of common stock issuable under at-the-market offering           12,500,000              
Common stock issued under at-the-market offering         2,315,704                
Aggregate gross sale proceeds           125,000              
Proceeds from the issuance of common stock     174,081 18,063 41,770                
Noncontrolling interest reclassified to equity     0 0               804 2,469
Conversion of units to common stock     85,028                    
Restricted stock/unit awards to employees                 284,461        
Fair value of restricted stock/unit awards                 4,719        
Vesting period of restricted stock/unit awards to employees                 3 years        
Compensation expense related to restricted shares issued during the quarter     1,008                    
Amortization related to restricted stock and unit awards             841 1,299 2,667 2,398      
Amount of share based compensation expense capitalized             6   17        
Unrecognized compensation expense related to restricted stock/unit awards             $ 5,452   $ 5,452        
Weighted average period during which unrecognized compensation expense is expected to be recognized                 1 year 0 months 20 days        
Minimum fixed coupon rate of preferred stock                     2.375%    
Number of years of U.S. treasury rate one                     30 years    
Number of years of U.S. treasury rate two                     10 years    
LIBOR rate                     3 month LIBOR    
New coupon rate of preferred stock                     5.515%