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Loans, Collateral Dependent Loans and Loans With/Without Specific Valuation Allowance (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) Loan | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance | $ 875 |  | $ 875 | $ 1,212
Total loans [Abstract] |  |  |  |
Recorded balance | 54,593 |  | 54,593 | 57,771
Unpaid Contractual Principal Balance | 60,105 |  | 60,105 | 61,786
Specific Allowance | 875 |  | 875 | 1,212
Average Investment in Impaired Loans | 55,813 |  | 53,468 | 55,700
Interest Income Recognized | 637 |  | 1,218 | 2,371
Commercial [Member] | Collateral Pledged [Member] |  |  |  |
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance |  | $ 450 |  |
Total loans [Abstract] |  |  |  |
Number of Loans | Loan |  | 20 |  |
Recorded balance |  | $ 51,266 |  |
Specific Allowance |  | 450 |  |
Commercial [Member] | Hotel/Motel [Member] | Collateral Pledged [Member] |  |  |  |
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance |  | $ 250 |  |
Total loans [Abstract] |  |  |  |
Number of Loans | Loan |  | 3 |  |
Recorded balance |  | $ 14,861 |  |
Specific Allowance |  | 250 |  |
Commercial [Member] | Commercial Real Estate Residential [Member] | Collateral Pledged [Member] |  |  |  |
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance |  | $ 0 |  |
Total loans [Abstract] |  |  |  |
Number of Loans | Loan |  | 3 |  |
Recorded balance |  | $ 6,398 |  |
Specific Allowance |  | 0 |  |
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Collateral Pledged [Member] |  |  |  |
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance |  | $ 200 |  |
Total loans [Abstract] |  |  |  |
Number of Loans | Loan |  | 11 |  |
Recorded balance |  | $ 22,567 |  |
Specific Allowance |  | 200 |  |
Commercial [Member] | Commercial Other [Member] |  |  |  |
Loans without a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 10,992 |  | 10,992 | 7,829
Unpaid Contractual Principal Balance | 13,249 |  | 13,249 | 9,489
Average Investment in Impaired Loans | 11,546 |  | 10,206 | 9,889
Interest Income Recognized | 149 |  | 288 | 460
Loans with a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 516 |  | 516 | 3,244
Unpaid Contractual Principal Balance | 516 |  | 516 | 3,244
Specific Allowance | 182 |  | 182 | 886
Average Investment in Impaired Loans | 514 |  | 842 | 1,323
Interest Income Recognized | 6 |  | 23 | 29
Total loans [Abstract] |  |  |  |
Recorded balance | 11,508 |  | 11,508 | 11,073
Unpaid Contractual Principal Balance | 13,765 |  | 13,765 | 12,733
Specific Allowance | 182 |  | 182 | 886
Average Investment in Impaired Loans | 12,060 |  | 11,048 | 11,212
Interest Income Recognized | 155 |  | 311 | 489
Commercial [Member] | Commercial Other [Member] | Collateral Pledged [Member] |  |  |  |
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance |  | $ 0 |  |
Total loans [Abstract] |  |  |  |
Number of Loans | Loan |  | 3 |  |
Recorded balance |  | $ 7,440 |  |
Specific Allowance |  | 0 |  |
Commercial [Member] | Commercial Other [Member] | Collateral Pledged by Leasehold Mortgage [Member] |  |  |  |
Total loans [Abstract] |  |  |  |
Recorded balance |  | 5,100 |  |
Commercial [Member] | Commercial Other [Member] | Collateral Pledged by Underground Coal Mining Equipment and Junior Real Estate Liens [Member] |  |  |  |
Total loans [Abstract] |  |  |  |
Recorded balance |  | $ 2,300 |  |
Commercial [Member] | Construction [Member] |  |  |  |
Loans without a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 3,313 |  | 3,313 | 2,836
Unpaid Contractual Principal Balance | 3,383 |  | 3,383 | 2,837
Average Investment in Impaired Loans | 3,419 |  | 3,537 | 3,234
Interest Income Recognized | 49 |  | 95 | 170
Loans with a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 174 |  | 174 | 174
Unpaid Contractual Principal Balance | 174 |  | 174 | 174
Specific Allowance | 99 |  | 99 | 99
Average Investment in Impaired Loans | 189 |  | 257 | 215
Interest Income Recognized | 3 |  | 6 | 11
Total loans [Abstract] |  |  |  |
Recorded balance | 3,487 |  | 3,487 | 3,010
Unpaid Contractual Principal Balance | 3,557 |  | 3,557 | 3,011
Specific Allowance | 99 |  | 99 | 99
Average Investment in Impaired Loans | 3,608 |  | 3,794 | 3,449
Interest Income Recognized | 52 |  | 101 | 181
Commercial [Member] | Real Estate [Member] |  |  |  |
Loans without a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 35,043 |  | 35,043 | 40,346
Unpaid Contractual Principal Balance | 36,740 |  | 36,740 | 41,557
Average Investment in Impaired Loans | 35,259 |  | 34,035 | 36,976
Interest Income Recognized | 403 |  | 750 | 1,601
Loans with a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 1,985 |  | 1,985 | 1,033
Unpaid Contractual Principal Balance | 3,473 |  | 3,473 | 2,176
Specific Allowance | 594 |  | 594 | 227
Average Investment in Impaired Loans | 2,314 |  | 2,140 | 1,678
Interest Income Recognized | 5 |  | 15 | 15
Total loans [Abstract] |  |  |  |
Recorded balance | 37,028 |  | 37,028 | 41,379
Unpaid Contractual Principal Balance | 40,213 |  | 40,213 | 43,733
Specific Allowance | 594 |  | 594 | 227
Average Investment in Impaired Loans | 37,573 |  | 36,175 | 38,654
Interest Income Recognized | 408 |  | 765 | 1,616
Residential [Member] | Real Estate [Member] |  |  |  |
Loans without a specific valuation allowance [Abstract] |  |  |  |
Recorded Balance | 2,570 |  | 2,570 | 2,309
Unpaid Contractual Principal Balance | 2,570 |  | 2,570 | 2,309
Average Investment in Impaired Loans | 2,572 |  | 2,451 | 2,385
Interest Income Recognized | 22 |  | 41 | 85
Loans with a specific valuation allowance [Abstract] |  |  |  |
Specific Allowance | 0 |  | 0 | 0
Total loans [Abstract] |  |  |  |
Recorded balance | 2,570 |  | 2,570 | 2,309
Unpaid Contractual Principal Balance | 2,570 |  | 2,570 | 2,309
Specific Allowance | 0 |  | 0 | 0
Average Investment in Impaired Loans | 2,572 |  | 2,451 | 2,385
Interest Income Recognized | $ 22 |  | $ 41 | $ 85

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