Consolidated Statements of Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash dividend declared,per share (in Dollars per share)	$ 0.12	$ 0.11
Change in unrealized gains or losses in respect of the Company's share in derivative instruments of unconsolidated investment, tax	$ 0	$ 0
Amortization of unrealized gains in respect of derivative instruments designated for cash flow hedge, related tax	38	$ 44
Loss in respect of derivative instruments designated for cash flow hedge, related tax	$ 27