11. Fair Value measurements (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
EstimateOfFairValueFairValueDisclosureMember
Fair values of the Fireside receivables and the related secured debt to their contractual balances
Fireside receivables portfolio	$ 77,484	$ 160,253
Debt secured by Fireside receivables portfolio	76,630	166,828
ContractualBalanceMember
Fair values of the Fireside receivables and the related secured debt to their contractual balances
Fireside receivables portfolio	80,306	172,167
Debt secured by Fireside receivables portfolio	$ 62,621	$ 162,812