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Subsequent Events (Tables) | 6 Months Ended
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Jun. 30, 2018
Subsequent Events [Abstract] |
Monthly Distributions Declared by Company's Board of Directors | On July 10, 2018, our Board of Directors declared the following monthly cash distributions to holders of our preferred and common stock:
Issuance |  | Record Date |  | Payment Date |  | Distribution per Share
Series A Term Preferred Stock: |  | July 20, 2018 |  | July 31, 2018 |  | $ | 0.1328125 |
|  | August 21, 2018 |  | August 31, 2018 |  | 0.1328125 |
|  | September 19, 2018 |  | September 28, 2018 |  | 0.1328125 |
Total Series A Term Preferred Stock Distributions: |  | $ | 0.3984375 |
Series B Preferred Stock: |  | July 24, 2018 |  | August 3, 2018 |  | $ | 0.125 |
|  | August 21, 2018 |  | August 31, 2018 |  | 0.125 |
|  | September 25, 2018 |  | October 5, 2018 |  | 0.125 |
Total Series B Preferred Stock Distributions: |  | $ | 0.375 |
Common Stock: |  | July 20, 2018 |  | July 31, 2018 |  | $ | 0.04435 |
|  | August 21, 2018 |  | August 31, 2018 |  | 0.04435 |
|  | September 19, 2018 |  | September 28, 2018 |  | 0.04435 |
Total Common Stock Distributions: |  | $ | 0.13305 |

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