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Financing Receivables aging of receivables (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Financing Receivable, Recorded Investment, Current $ 6,429
Financing Receivable, Recorded Investment, Past Due 2,574
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 962
Financing Receivable, Gross $ 9,965