|
Financing Receivables - Mortgage Loan Portfolio as Collectively or Individually Evaluated for Impairment (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|---|
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||
| Mortgage loans, carrying value | $ 570,486 | $ 629,256 | |
|
Mortgage loans, net
|
|||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||
| Mortgage loans collectively evaluated for impairment | 539,781 | 582,679 | |
| Mortgage loans individually evaluated for impairment | 33,030 | 49,828 | |
| Allowance | (2,325) | (3,251) | (3,346) |
| Mortgage loans, carrying value | $ 570,486 | $ 629,256 |