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Loans and Allowance for Credit Losses on Loans - Defaults on Troubled Debt Restructurings (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 loan item | Jun. 30, 2019 loan item | Jun. 30, 2020 contract loan | Jun. 30, 2019 loan
Allowance for Credit Losses on Loans |  |  |  |
Number of troubled debt restructurings in which the amount of principal or accrued interest owed from the borrower was forgiven | loan | 0 |  | 0 |
Number of loans modified as troubled debt restructurings during the period | 0 | 0 | 3 | 0
Default period contractually past due under modified terms (in days) |  |  | 30 days |
Number of defaults on troubled debt restructurings | item | 0 | 0 |  |
Period of consecutive payments (in months) |  |  | 6 months |

X
- Definition Represents the number of days past due under the modified terms in a troubled debt restructuring, when a loan is considered to be in default. + References No definition available. + Details
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X
- Definition Number of troubled debt restructurings in which the amount of principal or accrued interest owed from the borrower was forgiven + References No definition available. + Details
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- Definition Represents the period of time of consecutive payments made in accordance with modified terms for troubled debt restructurings to return to accruing status from nonaccruing status. + 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 Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524 + Details
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- References No definition available. + Details
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