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Loans Receivable (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2014 | Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Age of Consumer Loans contractual payments due with no forecasted future net cash flows |  |  | 120 months
Decrease in Forecated Net Cash Flows | $ 1.8 |  |
Decrease in Provision For Credit Losses |  | $ 2.9 |

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- Definition Decrease in Forecated Net Cash Flows + References No definition available. + Details
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- Definition Period After Consumer Loans With No Forecasted Future Net Cash Flows + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of increase (decrease) of allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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