Note 2 - Operating Property Activities (Detail) - Acquisitions (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013 sqft
Purchase Price (Cash)	$ 66,275
Purchase Price (Debt Assumed)	126,295
Purchase Price (Other)	28,393
Purchase Price (Total)	220,963
GLA (in Square Feet)	1,063,000	[1]
Santee Trolley Square [Member]
Purchase Price (Cash)	26,863	[2]
Purchase Price (Debt Assumed)	48,456	[2]
Purchase Price (Other)	22,681	[2]
Purchase Price (Total)	98,000	[2]
GLA (in Square Feet)	311,000	[1],[2]
Shops at Kildeer [Member]
Purchase Price (Cash)		[3]
Purchase Price (Debt Assumed)	32,724	[3]
Purchase Price (Other)		[3]
Purchase Price (Total)	32,724	[3]
GLA (in Square Feet)	168,000	[1],[3]
Village Commons S.C. [Member]
Purchase Price (Cash)	7,100
Purchase Price (Total)	7,100
GLA (in Square Feet)	125,000	[1]
Putty Hill Plaza [Member]
Purchase Price (Cash)	4,592	[4]
Purchase Price (Debt Assumed)	9,115	[4]
Purchase Price (Other)	489	[4]
Purchase Price (Total)	14,196	[4]
GLA (in Square Feet)	91,000	[1],[4]
Columbia Crossing II S.C. [Member]
Purchase Price (Cash)	21,800
Purchase Price (Total)	21,800
GLA (in Square Feet)	101,000	[1]
Roseville Plaza [Member]
Purchase Price (Cash)	5,143
Purchase Price (Total)	5,143
GLA (in Square Feet)	80,000	[1]
Wilton River Park [Member]
Purchase Price (Cash)	777	[5]
Purchase Price (Debt Assumed)	36,000	[5]
Purchase Price (Other)	5,223	[5]
Purchase Price (Total)	$ 42,000	[5]
GLA (in Square Feet)	187,000	[1],[5]

[1] Gross leasable area ("GLA")

[2] This property was acquired from a joint venture in which the Company had a 45% noncontrolling interest. The Company evaluated this transaction pursuant to the FASB's Consolidation guidance and as such recognized a gain of $22.7 million, before income tax, from the fair value adjustment associated with the Company's original ownership due to a change in control, which is reflected in the purchase price above in Other.

[3] This property was acquired from a joint venture in which the Company had a 19% noncontrolling interest. The Company evaluated this transaction pursuant to the FASB's Consolidation guidance. This transaction resulted in a change in control with no gain or loss recognized.

[4] The Company acquired the remaining 80% interest in an operating property from an unconsolidated joint venture in which the Company had a 20% noncontrolling interest. The Company evaluated this transaction pursuant to the FASB's Consolidation guidance and as such recognized a gain of $0.5 million from the fair value adjustment associated with the Company's original ownership due to a change in control, which is reflected in the purchase price above in Other.

[5] The acquisition of this property included the issuance of $5.2 million of redeemable units, which are redeemable at the option of the holder after one year and earn a yield of 6% per annum, which is included in the purchase price above in Other. In connection with this transaction, the Company provided the sellers a $5.2 million loan at a rate of 6.5%, which is secured by the redeemable units.