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Equity and Mezzanine Equity - Summary of Changes in Stockholders' Equity (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance |  |  | $ 208,134 |  |
Comprehensive income | $ 276 | $ (624) | (2,733) | $ (2,335) |
Net income | 2,844 | 2,191 | 6,070 | 9,068 |
Stockholders' equity, ending balance | 198,049 |  | 198,049 |  |
Total Equity | 200,811 | 258,253 | 200,811 | 258,253 | $ 211,037
Senior Common Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 1 | 1 | 1 | 1 |
Issuance of Series A and B preferred stock and common stock, net | 0 | 0 | 0 | 0 |
Stockholders' equity, ending balance | 1 | 1 | 1 | 1 |
Series F Preferred Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 0 | 0 | 0 | 0 |
Issuance of Series A and B preferred stock and common stock, net | 0 | 0 | 0 | 0 |
Stockholders' equity, ending balance | 0 | 0 | 0 | 0 |
Series A and B Preferred Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 0 | 2 | 0 | 2 |
Issuance of Series A and B preferred stock and common stock, net | 0 | 0 | 0 | 0 |
Stockholders' equity, ending balance | 0 | 2 | 0 | 2 |
Common Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 34 | 31 | 32 | 29 |
Issuance of Series A and B preferred stock and common stock, net | 0 | 0 | 2 | 2 |
Stockholders' equity, ending balance | 34 | 31 | 34 | 31 |
Additional Paid in Capital |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 599,741 | 592,706 | 571,205 | 559,977 |
Issuance of Series A and B preferred stock and common stock, net | 5,027 | 7,362 | 33,465 | 40,608 |
Adjustment to OP Units held by Non-controlling OP Unitholders resulting from changes in ownership of the Operating Partnership | (61) | (112) | 37 | (629) |
Stockholders' equity, ending balance | 604,707 | 599,956 | 604,707 | 599,956 |
Accumulated Other Comprehensive Income |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | (5,135) | (1,859) | (2,126) | (148) |
Comprehensive income | 276 | (624) | (2,733) | (2,335) |
Stockholders' equity, ending balance | (4,859) | (2,483) | (4,859) | (2,483) |
Distributions in Excess of Accumulated Earnings |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | (388,900) | (331,461) | (360,978) | (310,117) |
Distributions declared to common, senior common, and preferred stockholders | (15,780) | (14,482) | (46,965) | (42,674) |
Net income | 2,846 | 2,207 | 6,109 | 9,055 |
Stockholders' equity, ending balance | (401,834) | (343,736) | (401,834) | (343,736) |
Total Stockholders' Equity |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 205,741 | 259,420 | 208,134 | 249,744 |
Issuance of Series A and B preferred stock and common stock, net | 5,027 | 7,362 | 33,467 | 40,610 |
Distributions declared to common, senior common, and preferred stockholders | (15,780) | (14,482) | (46,965) | (42,674) |
Comprehensive income | 276 | (624) | (2,733) | (2,335) |
Adjustment to OP Units held by Non-controlling OP Unitholders resulting from changes in ownership of the Operating Partnership | (61) | (112) | 37 | (629) |
Net income | 2,846 | 2,207 | 6,109 | 9,055 |
Stockholders' equity, ending balance | 198,049 | 253,771 | 198,049 | 253,771 |
Non-Controlling Interest |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stockholders' equity, beginning balance | 2,892 | 4,665 | 2,903 | 4,675 |
Distributions declared to common, senior common, and preferred stockholders | (189) | (279) | (567) | (835) |
Issuance of Non-controlling OP Units as consideration in real estate acquisitions, net | 0 | 0 | 502 | 0 |
Adjustment to OP Units held by Non-controlling OP Unitholders resulting from changes in ownership of the Operating Partnership | 61 | 112 | (37) | 629 |
Net income | (2) | (16) | (39) | 13 |
Stockholders' equity, ending balance | $ 2,762 | $ 4,482 | $ 2,762 | $ 4,482 |

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