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Accounting Policies (Activity Related to Non-Controlling Interest) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Accounting Policies [Abstract]    
Beginning balance    $ 1,284
Accretion of redeemable non-controlling interest    392
Net income attributable to non-controlling interest    324
Distribution to non-controlling interest    (281)
Redemption of non-controlling interest    (1,700)
Other    (19)
Ending balance