Annual report pursuant to Section 13 and 15(d)

Equity - Schedule of Common Stock Public Offerings and ATM (Details)

v3.10.0.1
Equity - Schedule of Common Stock Public Offerings and ATM (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
1 Months Ended 12 Months Ended
Dec. 17, 2018
Mar. 10, 2017
Feb. 02, 2017
Dec. 11, 2018
Jun. 25, 2018
Jun. 22, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Net Proceeds             $ 187,265 $ 96,899 $ 177,294  
ATM [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares Issued (in shares)     197 2,777 834 1,376        
Price Per Share (in usd per share)     $ 19.18 $ 23.37   $ 22.71       $ 18.76
Net Proceeds     $ 4,000 $ 64,000 $ 15,000 $ 31,000        
Public Offering [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares Issued (in shares) 5,000 3,450                
Price Per Share (in usd per share) $ 21.6 $ 18.73                
Net Proceeds $ 108,000 $ 64,000