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Loans, Troubled Debt Restructurings Segregated by Class (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 USD ($) Loan | Jun. 30, 2018 USD ($) Loan | Jun. 30, 2019 USD ($) Loan | Jun. 30, 2018 USD ($) Loan | Dec. 31, 2018 USD ($) Loan
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Number of Loans | Loan | 10 | 13 | 23 | 29 | 40
Post-Modification Outstanding Balance | $ 4,104 | $ 2,467 | $ 7,299 | $ 4,465 | $ 9,017
Commitment to extend additional credit on loans modified in TDRs | $ 0 |  | $ 0 |  |
Defaulted restructured loans, number of loans | Loan | 0 | 2 | 0 | 2 |
Defaulted restructured loans, recorded balance | $ 0 | $ 42 | $ 0 | $ 42 |
Term Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 3,824 | 2,467 | 6,237 | 3,467 | 6,915
Rate Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 0 | 0 | 0 | 0 | 0
Combination [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | $ 280 | $ 0 | $ 1,062 | $ 998 | $ 2,102
Commercial [Member] | Construction [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Number of Loans | Loan |  | 2 |  | 4 | 5
Post-Modification Outstanding Balance |  | $ 411 |  | $ 458 | $ 2,197
Commercial [Member] | Construction [Member] | Term Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance |  | 411 |  | 443 | 2,182
Commercial [Member] | Construction [Member] | Rate Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance |  | 0 |  | 0 | 0
Commercial [Member] | Construction [Member] | Combination [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance |  | $ 0 |  | $ 15 | $ 15
Commercial [Member] | Real Estate [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Number of Loans | Loan | 5 | 8 | 10 | 17 | 24
Post-Modification Outstanding Balance | $ 3,723 | $ 1,773 | $ 5,193 | $ 3,542 | $ 5,387
Defaulted restructured loans, number of loans | Loan | 0 | 1 | 0 | 1 |
Defaulted restructured loans, recorded balance | $ 0 | $ 17 | $ 0 | $ 17 |
Commercial [Member] | Real Estate [Member] | Term Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 3,686 | 1,773 | 4,514 | 2,559 | 4,004
Commercial [Member] | Real Estate [Member] | Rate Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 0 | 0 | 0 | 0 | 0
Commercial [Member] | Real Estate [Member] | Combination [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | $ 37 | $ 0 | $ 679 | $ 983 | $ 1,383
Commercial [Member] | Other [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Number of Loans | Loan | 4 | 3 | 11 | 8 | 8
Post-Modification Outstanding Balance | $ 138 | $ 283 | $ 1,400 | $ 465 | $ 465
Defaulted restructured loans, number of loans | Loan | 0 | 1 | 0 | 1 |
Defaulted restructured loans, recorded balance | $ 0 | $ 25 | $ 0 | $ 25 |
Commercial [Member] | Other [Member] | Term Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 138 | 283 | 1,260 | 465 | 465
Commercial [Member] | Other [Member] | Rate Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 0 | 0 | 0 | 0 | 0
Commercial [Member] | Other [Member] | Combination [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | $ 0 | $ 0 | $ 140 | $ 0 | $ 0
Residential [Member] | Construction [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Number of Loans | Loan |  |  |  |  | 0
Post-Modification Outstanding Balance |  |  |  |  | $ 0
Residential [Member] | Construction [Member] | Term Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance |  |  |  |  | 0
Residential [Member] | Construction [Member] | Rate Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance |  |  |  |  | 0
Residential [Member] | Construction [Member] | Combination [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance |  |  |  |  | $ 0
Residential [Member] | Real Estate [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Number of Loans | Loan | 1 |  | 2 |  | 3
Post-Modification Outstanding Balance | $ 243 |  | $ 706 |  | $ 968
Residential [Member] | Real Estate [Member] | Term Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 0 |  | 463 |  | 264
Residential [Member] | Real Estate [Member] | Rate Modification [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | 0 |  | 0 |  | 0
Residential [Member] | Real Estate [Member] | Combination [Member] |  |  |  |  |
Troubled Debt Restructurings Segregated by Class [Abstract] |  |  |  |  |
Post-Modification Outstanding Balance | $ 243 |  | $ 243 |  | $ 704

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