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Equity (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Reconciliation of equity attributable to non-controlling interests    
Noncontrolling interests, beginning of period $ 596,000 $ 2,300,000
Net income (loss) attributable to noncontrolling interests, net of tax (228,000) 0
Fair Value of Net Assets and Liabilities acquired and assigned to NCI 4,000,000 0
Deconsolidation of noncontrolling interest 0 (1,700,000)
Noncontrolling interests, end of period $ 4,352,000 $ 600,000