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Business Segments - Merger Related Expenses and Segment Debt (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
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Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) item | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Business Segments |  |  |  |  |  |
Merger related costs | $ 0 | $ 308,000 | $ 0 | $ 898,000 | $ 2,100,000 | $ 2,100,000
Merger related costs, after income taxes |  |  |  |  | $ 1,780,000 | $ 1,780,000
Mortgage Banking |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Number of intersegment lines of credit | item |  |  | 2 |  |  |
Mortgage Banking | FHLB Advances | Minimum |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Variable rate, spread (as a percent) |  |  | 0.50% |  |  |
Mortgage Banking | FHLB Advances | Maximum |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Variable rate, spread (as a percent) |  |  | 1.75% |  |  |
Consumer Finance |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Floor variable rate (as a percent) |  |  | 3.50% |  |  |
Consumer Finance | Minimum |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Fixed rate (as a percent) | 2.30% |  | 2.30% |  |  |
Consumer Finance | Maximum |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Fixed rate (as a percent) | 8.00% |  | 8.00% |  |  |
Consumer Finance | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Variable rate, spread (as a percent) |  |  | 2.00% |  |  |
Peoples Bankshares, Incorporated (Peoples) |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Merger related costs |  | 439,000 |  | 1,400,000 |  |
Merger related costs, after income taxes |  | 347,000 |  | 1,130,000 |  |
Peoples Bankshares, Incorporated (Peoples) | Community Banking |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Merger related costs |  |  |  | 1,300,000 |  |
Merger related costs, after income taxes |  |  |  | 1,030,000.00 |  |
Peoples Bankshares, Incorporated (Peoples) | Community Banking | Noninterest expense |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Merger related costs |  | 439,000 |  | 998,000 |  |
Merger related costs, after income taxes |  | $ 347,000 |  |  |  |
Peoples Bankshares, Incorporated (Peoples) | Community Banking | Other noninterest income |  |  |  |  |  |
Business Segments |  |  |  |  |  |
Merger related costs |  |  |  | $ 298,000 |  |

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- Definition This element represents acquisition-related costs, after income taxes, incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on borrowing from another operating segment of the reporting entity. + References No definition available. + Details
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- Definition Floor variable rate of borrowing from another operating segment of the reporting entity. + References No definition available. + Details
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- Definition Number of intersegment lines of credit. + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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