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Debt (Narrative) (Details) (USD $) | 3 Months Ended |  | 3 Months Ended |  | 0 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Mar. 31, 2014 Revolving Secured Line Of Credit [Member] | Mar. 31, 2014 Warehouse Facilities [Member] loan | Mar. 31, 2014 Warehouse Facility II [Member] | Mar. 31, 2014 Warehouse Facility III [Member] | Mar. 31, 2014 Warehouse Facility III And IV [Member] | Mar. 31, 2014 Warehouse Facility IV [Member] | Mar. 31, 2014 2021 Senior Notes [Member] | Jan. 22, 2014 2021 Senior Notes [Member] | Feb. 21, 2014 2017 Senior Notes [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility |  | $ 235,000,000 |  |  |  |  |  |  |  |  |  |  |
Percentage of net book value of loans |  | 80.00% | 80.00% |  |  |  |  |  |  |  |  |  |
Maximum hedging reserve | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouse facilities |  |  | 3 |  |  |  |  |  |  |  |  |  |
Debt financing amount |  |  | 475,000,000 | 325,000,000 | [1] | 75,000,000 | [1] | 75,000,000 | 75,000,000 | [1] | 300,000,000 | 300,000,000 |
Debt maturity date |  |  |  | Dec. 27, 2015 | [1],[2] | Sep. 10, 2015 | [1],[3] |  | Apr. 05, 2016 | [1],[2] | Feb. 15, 2021 |  |
Percentage of collections on contributed loans | 6.00% |  |  |  |  |  |  |  |  |  |  |  |
Monthly servicing fee per financing | 6.00% |  |  |  |  |  |  |  |  |  |  |  |
Senior notes stated interest rate |  |  |  |  |  |  |  |  |  |  |  | 6.125% | 9.125%
Repayment of senior notes | 350,000,000 |  |  |  |  |  |  |  |  |  |  |  | 350,000,000
Percentage of principal amount redeemed |  |  |  |  |  |  |  |  |  |  |  |  | 104.563%
Loss on extinguishment of debt | (21,800,000) |  |  |  |  |  |  |  |  |  |  |  |
Debt covenants | $ 1 |  |  |  |  |  |  |  |  |  |  |  |
[1] | Financing made available only to a specified subsidiary of the Company.
[2] | Represents the revolving maturity date. The outstanding balance will amortize after the maturity date based on the cash flows of the pledged assets.
[3] | Represents the revolving maturity date. The outstanding balance will amortize after the revolving maturity date and any amounts remaining on September 10, 2017 will be due.

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