Financing Receivables narrative (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
narrative [Abstract]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 6,500,000	$ 4,000,000
Financing Receivable, Net	6,300,000		5,600,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	3,650,000		2,988,000	712,000
Impaired Financing Receivable, Average Recorded Investment	$ 0.018	$ 0.150