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Subsequent Events (Narrative) (Details) - 10b5-1 Plan - Subsequent Event | 1 Months Ended
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Aug. 04, 2017 USD ($) $ / shares
Subsequent Event [Line Items] |
Purchase allocation (as a percent) | 98.00%
Safety, Income and Growth, Inc. |
Subsequent Event [Line Items] |
Aggregate value of common stock purchased | $ 5,100,000
Amount authorized for purchase | $ 25,000,000.0
Purchase threshold, share price trigger (in dollars per share) | $ / shares | $ 20.00
Chief Executive Officer |
Subsequent Event [Line Items] |
Purchase allocation (as a percent) | 1.00%
Chief Financial Officer |
Subsequent Event [Line Items] |
Purchase allocation (as a percent) | 1.00%

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- Definition Common Stock Purchase Plan, Purchase Allocation, Percent + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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- Details
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