Significant Accounting Policies Finance and Other Receivables (Details) (USD $)	11 Months Ended	12 Months Ended	13 Months Ended
	Nov. 30, 2011	Dec. 31, 2011	Dec. 31, 2012
Charge Off Policy [Abstract]
Number of days delinquent at which loans are charged off	91 days
Number of days delinquent at month end at which loans are charged off			91 days
Period before month end in which a minimum payment must be made on a delinquent loan to postpone charge off			30 days
Number of days delinquent at which loan is charged off if minimum qualifying payment was made			121 days
Increase net charge-offs without change to policy		$ 2,600,000
Increase to provision for credit losses without change to charge off policy		2,000,000
Decrease to interest income without change to charge off policy		100,000
Decrease to net income without change to charge off policy		2,100,000
Recovery Receivables		$ 34,482,000	$ 37,025,000