| Component: (Network and Table) | |
|---|---|
| Network | 2311301 - Disclosure - Accounts payable, accrued expenses, and tenant security deposits (Tables) (http://www.are.com/role/AccountsPayableAccruedExpensesAndTenantSecurityDepositsTables) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001035443 (http://www.sec.gov/CIK) |
| Payables and Accruals [Abstract] | Period [Axis] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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2016-01-01 - 2016-12-31 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Payables and Accruals [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of components of accounts payable, accrued expenses, and tenant security deposits | The following table summarizes the components of accounts payable, accrued expenses, and tenant security deposits as of December 31, 2016 and 2015 (in thousands):
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