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Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Prior Period Presentation of Statement of Operations Line Items (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Rental income | $ 26,400 | $ 26,789
Presentation prior to January 1, 2019 |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Rental income |  | 22,010
Property expense recovery |  | $ 4,779

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- Definition Operating Leases, Income Statement, Tenant Reimbursements + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The total amount of lease revenue recognized for the period for which the lessee was obligated under leasing arrangements regardless of any other events or conditions. This amount excludes contingent revenue and sublease revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707 + Details
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