Schedule of Segment Reporting Information, by Segment [Table Text Block] |
Three months ended September 30, 2018 | | | | | | | | | | Rental revenues | | $ | 5,377 | | | $ | 20,180 | | | $ | 25,557 | | Tenant recoveries | | | 1,294 | | | | — | | | | 1,294 | | Garage and other income | | | 241 | | | | 856 | | | | 1,097 | | Total revenues | | | 6,912 | | | | 21,036 | | | | 27,948 | | Property operating expenses | | | 1,094 | | | | 5,712 | | | | 6,806 | | Real estate taxes and insurance | | | 1,245 | | | | 4,579 | | | | 5,824 | | General and administrative | | | 256 | | | | 1,602 | | | | 1,858 | | Depreciation and amortization | | | 908 | | | | 3,443 | | | | 4,351 | | Total operating expenses | | | 3,503 | | | | 15,336 | | | | 18,839 | | Income from operations | | $ | 3,409 | | | $ | 5,700 | | | $ | 9,109 | | Three months ended September 30, 2017 | | | | | | | | | | Rental revenues | | $ | 5,476 | | | $ | 18,558 | | | $ | 24,034 | | Tenant recoveries | | | 1,162 | | | | — | | | | 1,162 | | Garage and other income | | | 203 | | | | 609 | | | | 812 | | Total revenues | | | 6,841 | | | | 19,167 | | | | 26,008 | | Property operating expenses | | | 1,089 | | | | 5,430 | | | | 6,519 | | Real estate taxes and insurance | | | 1,148 | | | | 4,388 | | | | 5,536 | | General and administrative | | | 194 | | | | 2,307 | | | | 2,501 | | Acquisition costs | | | — | | | | 10 | | | | 10 | | Depreciation and amortization | | | 803 | | | | 3,283 | | | | 4,086 | | Total operating expenses | | | 3,234 | | | | 15,418 | | | | 18,652 | | Income from operations | | $ | 3,607 | | | $ | 3,749 | | | $ | 7,356 | | Nine months ended September 30, 2018 | | | | | | | | | | Rental revenues | | $ | 16,129 | | | $ | 59,148 | | | $ | 75,277 | | Tenant recoveries | | | 3,668 | | | | — | | | | 3,668 | | Garage and other income | | | 700 | | | | 2,471 | | | | 3,171 | | Total revenues | | | 20,497 | | | | 61,619 | | | | 82,116 | | Property operating expenses | | | 3,344 | | | | 17,299 | | | | 20,643 | | Real estate taxes and insurance | | | 3,462 | | | | 13,072 | | | | 16,534 | | General and administrative | | | 792 | | | | 6,810 | | | | 7,602 | | Depreciation and amortization | | | 2,679 | | | | 10,703 | | | | 13,382 | | Total operating expenses | | | 10,277 | | | | 47,884 | | | | 58,161 | | Income from operations | | $ | 10,220 | | | $ | 13,735 | | | $ | 23,955 | | Nine months ended September 30, 2017 | | | | | | | | | | Rental revenues | | $ | 16,418 | | | $ | 54,674 | | | $ | 71,092 | | Tenant recoveries | | | 3,223 | | | | — | | | | 3,223 | | Garage and other income | | | 630 | | | | 1,684 | | | | 2,314 | | Total revenues | | | 20,271 | | | | 56,358 | | | | 76,629 | | Property operating expenses | | | 3,196 | | | | 16,992 | | | | 20,188 | | Real estate taxes and insurance | | | 3,271 | | | | 11,734 | | | | 15,005 | | General and administrative | | | 590 | | | | 6,695 | | | | 7,285 | | Acquisition costs | | | — | | | | 37 | | | | 37 | | Depreciation and amortization | | | 2,406 | | | | 9,678 | | | | 12,084 | | Total operating expenses | | | 9,463 | | | | 45,136 | | | | 54,599 | | Income from operations | | $ | 10,808 | | | $ | 11,222 | | | $ | 22,030 | | | | | | | | | | | | September 30, 2018 | | $ | 212,963 | | | $ | 854,707 | | | $ | 1,067,670 | | December 31, 2017 | | | 222,288 | | | | 829,797 | | | | 1,052,085 | | | | | | | | | | | | Three months ended September 30, | | | | | | | | | | | | | 2018 | | $ | 1,716 | | | $ | 6,336 | | | $ | 8,052 | | 2017 | | | 1,941 | | | | 6,984 | | | | 8,925 | | Nine months ended September 30 , | | | | | | | | | | | | | 2018 | | $ | 5,244 | | | $ | 19,359 | | | $ | 24,603 | | 2017 | | | 5,764 | | | | 20,744 | | | | 26,508 | | | | | | | | | | | | Three months ended September 30, | | | | | | | | | | | | | 2018 | | $ | 628 | | | $ | 9,425 | | | $ | 10,053 | | 2017 | | | 598 | | | | 5,776 | | | | 6,374 | | Nine months ended September 30, | | | | | | | | | | | | | 2018 | | $ | 1,675 | | | $ | 30,888 | | | $ | 32,563 | | 2017 | | | 3,611 | | | | 11,902 | | | | 15,513 | |
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