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Stock-Based Compensation - Additional Information (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock price assumption for maximum bonus pool eligibility | $ / shares   $ 34.78    
Vesting percentage after performance period   50.00%    
Performance period (in years)   3 years    
Amortization of stock-based compensation   $ 14,654 $ 8,832 $ 7,979
Unrecognized compensation cost related to unvested share-based payments   $ 28,500    
Unrecognized compensation cost, amortization period (in years)   3 years    
Additional paid-in capital and non-controlling interest—units in the operating partnership        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Amortization of stock-based compensation   $ 13,609 $ 8,832 $ 7,979
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   2 years    
Non-Vested Shares Issued (in shares) | shares   489,826 629,504 281,491
Weighted Average Grant - dated Fair Value (in dollars per share) | $ / shares   $ 30.95 $ 29.01 $ 29.38
Vested (in shares) | shares   (430,597) (335,544) (275,051)
Total Vest-Date Fair Value (in thousands)   $ 14,736 $ 9,606 $ 9,794
2010 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Ratio of reduction in share reserve   2.95    
Number of shares authorized for issuance | shares   1,930,668    
Existing and Newly Elected Board Member        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   3 years    
Employees        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   3 years    
Employees | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years) 4 years      
One-Time Retention Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Retention awards, vesting percentage 25.00% 25.00%    
Outperformance Program | General and administrative expenses        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 14,144 8,421 7,559
Outperformance Program | Deferred leasing costs and lease intangibles, net and tenant improvements        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 510 $ 411 $ 420