Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Narrative (Details)

v3.20.2
Shareholders' Equity - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2020
shares
Mar. 31, 2020
USD ($)
$ / shares
shares
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
shares
May 04, 2018
USD ($)
agreement
Class of Stock [Line Items]          
Number of separate equity distribution agreements | agreement         8
Shares issued, weighted average price per share (in dollars per share) | $ / shares   $ 31.07      
Net proceeds from equity issuances   $ 1,200,000 $ 1,241,000 $ 0  
Common Stock          
Class of Stock [Line Items]          
Shares reserved for future issuances         $ 250,000,000.0
Common shares issued (in shares) | shares 0 46,500   0