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Loans Receivable Held for Investment, Troubled Debt Restructurings (Q3) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 USD ($) Loan Borrower | Sep. 30, 2019 Loan | Sep. 30, 2020 USD ($) Loan Borrower | Sep. 30, 2019 Loan | Dec. 31, 2019 USD ($) Loan | Dec. 31, 2018 USD ($) Loan
Troubled Debt Restructurings [Abstract] |  |  |  |  |  |
Number of borrowers who requested for loan modification | Borrower | 0 |  | 0 |  |  |
Loans classified as troubled debt restructurings | $ 4,200 |  | $ 4,200 |  | $ 4,700 | $ 6,400
Specific reserves allocated to TDRs | 148 |  | $ 148 |  | $ 147 | 227
Timely payment period for return to accrual status |  |  | 6 months |  | 6 months |
Commitments to lend additional amounts to customers with TDRs | $ 0 |  | $ 0 |  | $ 0 | $ 0
Number of loans modified | Loan | 0 | 0 | 0 | 0 | 0 | 0
Non-accrual Status [Member] |  |  |  |  |  |
Troubled Debt Restructurings [Abstract] |  |  |  |  |  |
Loans classified as troubled debt restructurings | $ 243 |  | $ 243 |  | $ 406 | $ 591
Accrual Status [Member] |  |  |  |  |  |
Troubled Debt Restructurings [Abstract] |  |  |  |  |  |
Loans classified as troubled debt restructurings | $ 4,000 |  | $ 4,000 |  | $ 4,300 | $ 5,800

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- Definition Amount of allowance to cover probable credit losses on loans for which the terms have been modified in troubled debt restructurings. + References No definition available. + Details
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- Definition Period of receipt of timely payments after which a financing receivable that has been modified in a troubled debt restructuring and is on non-accrual status can typically be returned to accrual status, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Number of borrowers who have requested for loan modifications. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 Reference 2: 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=121585226&loc=d3e18845-111554 + Details
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- Definition Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + Details
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