Purchased Receivables - Narrative (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 purchased_receivable	Sep. 30, 2013	Dec. 31, 2013 purchased_receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of segments and classes of purchased receivables	1		1
Allowance for purchased receivables	$ 54,000	$ 399,000	$ 446,000	$ 768,000
Purchased receivables past due	3,862,000		3,862,000		2,872,000
Loans classified as troubled debt restructuring	8,303,000		8,303,000		7,900,000
Purchased Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of purchased receivables past due			1		0
Allowance for purchased receivables	0	0	240,000	0
Purchased receivables past due	243,000		243,000		0
Loans classified as troubled debt restructuring	0		0		0
Partial Loan | Purchased Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for purchased receivables			215,000
Full Loan | Purchased Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for purchased receivables			$ 25,000