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Business Combination - Loans, Core Deposit Intangible and Deposits (Details) - USD ($) | Jan. 01, 2020 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Business Combination |  |  |
Outstanding principal balance |  | $ 101,803,000 | $ 34,101,000
Loans, allowance for loan losses |  | 39,156,000 | 32,873,000
PCI Loans |  |  |
Business Combination |  |  |
Outstanding principal balance |  | $ 12,760,000 | $ 6,262,000
Peoples Bankshares, Incorporated (Peoples) |  |  |
Business Combination |  |  |
Outstanding principal balance | $ 131,920,000 |  |
Estimated fair value of loans acquired | 124,195,000 |  |
Loans, allowance for loan losses | 2,870,000 |  |
Information about PCI loans acquired |  |  |
Contractual principal and interest due | 20,310,000 |  |
Nonaccretable difference | (7,679,000) |  |
Expected cash flows | 12,631,000 |  |
Accretable yield | (3,372,000) |  |
Purchase credit impaired loans - estimated fair value | 9,259,000 |  |
Core deposit intangible asset | $ 1,711,000 |  |
Percentage of CDI to non-maturity deposits | 1.80% |  |
Premium of deposits | $ 557,000 |  |
Amortization period | 2 years |  |
Peoples Bankshares, Incorporated (Peoples) | Minimum |  |  |
Information about PCI loans acquired |  |  |
Maturity of deposits | 3 months |  |
Peoples Bankshares, Incorporated (Peoples) | Maximum |  |  |
Information about PCI loans acquired |  |  |
Maturity of deposits | 5 years |  |
Peoples Bankshares, Incorporated (Peoples) | PCI Loans |  |  |
Business Combination |  |  |
Outstanding principal balance | $ 4,280,000 |  |
Estimated fair value of loans acquired | $ 635,000 |  |

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- Definition Amortization period of deposits acquired in a business acquisition. + References No definition available. + Details
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- Definition The undiscounted principal amount due on loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable + References No definition available. + Details
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- Definition The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
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- Definition The amount of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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