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Note 11 - Noncontrolling Interests (Details) - Redemption Value of the Redeemable Noncontrolling Interests (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Redemption Value of the Redeemable Noncontrolling Interests [Abstract]    
Balance at January 1, $ 86,153 $ 81,076
Issuance of redeemable units/partnership interest 4,943 5,223
Fair market value adjustment, net 225 (900)
Other 42 87
Balance at June 30, $ 91,363 $ 85,486