Revolving Credit Facilities and Mortgage Payable - Debt Covenants (Details) - Primary Credit Facility - JP Morgan	1 Months Ended
Sep. 30, 2018
Debt Instrument [Line Items]
Leverage ratio maximum	3.75
Interest coverage ratio minimum	2.25
Adjusted leverage ratio to avoid limits on share repurchases	3.50

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.

No definition available.

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