Noncontrolling Interests (Narrative) (Details) - Jun. 30, 2015 - shares	Total
Noncontrolling Interests [Abstract]
Number of years from date of admission as a limited partner for redemption of partnership interest	1 year
Number of common stock per unit of limited partnership interest redeemed	1
Common units owned by affiliate	7,305,355
Affiliate's percent ownership of the Company's common equity	42.20%
Shares owned by Public Storage	14,500,000