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v3.19.2

Equity - Additional Information (Details) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 USD ($) $ / shares shares | Jun. 30, 2018 USD ($) $ / shares shares | Dec. 31, 2018 shares | Jul. 31, 2015 shares
Equity [Line Items] |  |  |  |
Authorized amount (in shares) |  |  | 10,000,000 | 10,000,000
Treasury stock acquired (in shares) | 441,581 | 925,775 |  |
Treasury stock acquired, average cost (in dollars per share) | $ / shares | $ 8.13 | $ 7.93 |  |
OP unit equivalent in common shares | 1.13 |  |  |
Partners' capital account (in units) | 3,138,000 |  |  |
Share-based Payment Arrangement |  |  |  |
Equity [Line Items] |  |  |  |
Shares granted (in shares) | 41,186 | 46,561 |  |
Grant date fair value | $ | $ 345,000 | $ 431,000 |  |
At The Market |  |  |  |
Equity [Line Items] |  |  |  |
Sale of stock, authorized amount (up to) | $ | $ 100,000,000 |  |  |

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- Definition The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16(a)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16(b)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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