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Securities - Securities Sold (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | $ 199,532 | $ 2,403 | $ 212,137 | $ 2,403
Net Proceeds | 199,875 | 2,387 | 212,485 | 2,387
Gain/(Loss) | 343 | (16) | 348 | (16)
Obligations of states and political subdivisions |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | 1,112 | 901 | 11,799 | 901
Net Proceeds | 1,111 | 894 | 11,813 | 894
Gain/(Loss) | (1) | (7) | 14 | (7)
Residential mortgage backed securities | Government agency mortgage backed securities |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | 70,926 | 943 | 72,556 | 943
Net Proceeds | 70,322 | 941 | 71,944 | 941
Gain/(Loss) | (604) | (2) | (612) | (2)
Residential mortgage backed securities | Government agency collateralized mortgage obligations |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | 122,404 | 559 | 122,692 | 559
Net Proceeds | 120,606 | 552 | 120,892 | 552
Gain/(Loss) | (1,798) | $ (7) | (1,800) | $ (7)
Commercial mortgage-backed securities | Government agency collateralized mortgage obligations |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | 4,838 |  | 4,838 |
Net Proceeds | 4,720 |  | 4,720 |
Gain/(Loss) | (118) |  | (118) |
Other debt securities |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | 252 |  | 252 |
Net Proceeds | 257 |  | 257 |
Gain/(Loss) | 5 |  | 5 |
Other equity securities |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying Value | 0 |  | 0 |
Net Proceeds | 2,859 |  | 2,859 |
Gain/(Loss) | $ 2,859 |  | $ 2,859 |

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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563 + Details
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