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Loans Receivable - Narrative (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Receivables [Abstract] |  |  |
Reserve For Uncollected Loan Interest | $ 36,000 |  | $ 103,000
Financing receivable modifications | 17,000 |  |
Outstanding Commitments To Borrowers Loans Classified As Troubled Debt Restructurings | 0 |  | $ 0
Loans modified | $ 0 | $ 149,000 |

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- Definition Outstanding commitments to borrowers loans classified as troubled debt restructurings. + References No definition available. + Details
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- Definition Reserve for uncollected loan interest. + References No definition available. + Details
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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
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- References No definition available. + Details
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