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Equity - 2019 Equity Issuances (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Common Stock | Follow-on Offerings |  |
Class of Stock [Line Items] |  |
Number of Shares Sold (in shares) | 2,277,297 | 2,715,000
Weighted-average Offering Price per Share | $ 11.73 | $ 12.36
Gross Proceeds | $ 26,713 | $ 33,567
Net Proceeds | $ 25,401 | $ 31,830
Common Stock | ATM Program |  |
Class of Stock [Line Items] |  |
Number of Shares Sold (in shares) | 197,142 | 986,955
Weighted-average Offering Price per Share | $ 12.24 | $ 12.95
Gross Proceeds | $ 2,413 | $ 12,779
Net Proceeds | $ 2,377 | $ 12,587
Preferred Stock | Series B Preferred Stock |  |
Class of Stock [Line Items] |  |
Number of Shares Sold (in shares) | 3,626,076 | 1,144,393
Weighted-average Offering Price per Share | $ 24.61 | $ 24.53
Gross Proceeds | $ 89,232 | $ 28,072
Net Proceeds | $ 81,587 | $ 25,749

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