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Note 10 - Redeemable Noncontrolling Interests (Details) - Redemption Value of the Redeemable Noncontrolling Interests (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Redemption Value of the Redeemable Noncontrolling Interests [Abstract]
Balance at January 1,	$ 91,480	$ 86,153
Balance at March 31,	91,527	91,319
Issuance of redeemable partnership interests		4,943
Fair market value adjustment, net		225
Other	$ 47	$ (2)

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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