Commercial Loans Receivables and Allowance for Loan Loss (Inventory Finance Receivables by Class and Credit Quality Indicator) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Apr. 02, 2016
Financing Receivable Recorded Investment [Line Items]
Weighted average contractual interest rate, commercial	5.90%	6.90%
Weighted average months to maturity, commercial	7 months	9 months
Direct Inventory Finance [Member]
Risk profile based on payment activity
Financing Receivable, Gross	$ 22,433	$ 24,392
Direct Inventory Finance [Member] | Performing [Member]
Risk profile based on payment activity
Financing Receivable, Gross	22,433	24,392
Direct Inventory Finance [Member] | Watch list [Member]
Risk profile based on payment activity
Financing Receivable, Gross	0	0
Direct Inventory Finance [Member] | Nonperforming [Member]
Risk profile based on payment activity
Financing Receivable, Gross	0	0
Participation Inventory Finance [Member]
Risk profile based on payment activity
Financing Receivable, Gross	1,103	1,278
Participation Inventory Finance [Member] | Performing [Member]
Risk profile based on payment activity
Financing Receivable, Gross	1,103	1,278
Participation Inventory Finance [Member] | Watch list [Member]
Risk profile based on payment activity
Financing Receivable, Gross	0	0
Participation Inventory Finance [Member] | Nonperforming [Member]
Risk profile based on payment activity
Financing Receivable, Gross	$ 0	$ 0