XML 57 R50.htm IDEA: XBRL DOCUMENT v3.20.1
Stockholders' Equity - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized (in shares) 400,000,000   400,000,000
Common stock, par value (in dollars per share) $ 0.01   $ 0.01
Preferred stock, authorized (in shares) 100,000,000    
Preferred stock, par value (in dollars per share) $ 0.01    
Net proceeds of common share issuance $ 22,788,000 $ 75,081,000  
Shares repurchase program, authorized repurchase amount (in shares) 3,000,000    
Repurchased shares of stock pursuant to share repurchase authorization (in shares) 0    
Shares held in rabbi trust 135,494    
2019 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized (in shares) 1,898,961    
Remaining balance of shares available (in shares) 1,440,490    
Long Term Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Issuance of common stock, net of issuance costs (in shares) 135,494    
Weighted average offering price per share (in dollars per share) $ 54.22    
Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant date fair value per share of restricted stock awards (in dollars per share) $ 58.08    
Fair value of the restricted stock granted $ 1,200,000    
Vesting period for the restricted stock 3 years    
Unrecognized compensation costs related to restricted stock issuances $ 6,500,000    
Remaining weighted average period 3 years 7 months 6 days    
Compensation costs $ 700,000 $ 500,000  
Minimum | Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant date fair value per share of restricted stock awards (in dollars per share) $ 14.20    
Maximum | Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant date fair value per share of restricted stock awards (in dollars per share) $ 58.08    
$300 Million ATM Program      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock aggregate offering price $ 300,000,000    
Common stock aggregate offering price, remaining $ 126,100,000    
Issuance of common stock, net of issuance costs (in shares) 427,027 1,988,801  
$250 Million ATM Program      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock aggregate offering price   $ 250,000,000  
$250 Million & $200 Million ATM Program      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued, price per share (in dollars per share) $ 53.37 $ 41.39  
Net proceeds of common share issuance $ 22,500,000 $ 81,100,000  
Total compensation to the applicable sales agents $ 300,000 $ 1,200,000