Revolving Credit Facilities (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2017 |
Dec. 31, 2016 |
|
| Revolving Credit Facilities [Abstract] | ||
| Revolving credit facilities | $ 40,000 | $ 70,000 |
| Weighted average borrowing rate | 4.98% | 4.53% |
| Weighted average remaining maturity | 208 days | 306 days |
| Mortgage servicing rights, at fair value, pledged as collateral for borrowings | $ 160,635 | $ 180,948 |
| X | ||||||||||
- Definition Revolving Credit Facilities [Abstract] No definition available.
|
| X | ||||||||||
- Definition Weighted average maturity of revolving credit facilities. No definition available.
|
| X | ||||||||||
- Definition The carrying amount, as of the date of the latest financial statement presented, of other assets which are owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average interest rate of short-term debt outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|