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Commitments (Tables) | 12 Months Ended
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Dec. 31, 2018
Office buildings and industrial properties |
Commitments |
Schedule of future minimum lease payments |
|  | Year ending |
(in thousands) |  | December 31, |
2019 |  | $ | 169,471 |
2020 |  |  | 161,287 |
2021 |  |  | 142,712 |
2022 |  |  | 116,306 |
2023 |  |  | 97,853 |
Thereafter (2024-2036) |  |  | 269,863 |
|  | $ | 957,492 |
Corporate office space |
Commitments |
Schedule of future minimum lease payments |
|  | Year ending |
(in thousands) |  | December 31, |
2019 |  | $ | 412 |
2020 |  |  | 421 |
2021 |  |  | 429 |
2022 |  |  | 438 |
2023 |  |  | 447 |
Thereafter |  |  | 340 |
|  | $ | 2,487 |

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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 Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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