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Securities, Securities in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Securities [Abstract] |  |
Percentage of total investment with unrealized losses | 21.80% | 42.80%
Available-for-sale, amortized cost [Abstract] |  |
Less than 12 months | $ 107,461 | $ 85,046
12 months or more | 101,307 | 173,948
Total | 208,768 | 258,994
Available-for-sale, gross unrealized losses [Abstract] |  |
Less than 12 months | (538) | (561)
12 months or more | (944) | (1,400)
Total | (1,482) | (1,961)
Available-for-sale, fair value [Abstract] |  |
Less than 12 months | 106,923 | 84,485
12 months or more | 100,363 | 172,548
Total | 207,286 | 257,033
U.S. Treasury and Government Agencies [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less than 12 months | 5,870 | 25,955
12 months or more | 60,681 | 82,339
Total | 66,551 | 108,294
Available-for-sale, gross unrealized losses [Abstract] |  |
Less than 12 months | (8) | (148)
12 months or more | (241) | (428)
Total | (249) | (576)
Available-for-sale, fair value [Abstract] |  |
Less than 12 months | 5,862 | 25,807
12 months or more | 60,440 | 81,911
Total | 66,302 | 107,718
State and Political Subdivisions [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less than 12 months | 2,670 | 8,356
12 months or more | 0 | 0
Total | 2,670 | 8,356
Available-for-sale, gross unrealized losses [Abstract] |  |
Less than 12 months | (26) | (37)
12 months or more | 0 | 0
Total | (26) | (37)
Available-for-sale, fair value [Abstract] |  |
Less than 12 months | 2,644 | 8,319
12 months or more | 0 | 0
Total | 2,644 | 8,319
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less than 12 months | 68,751 | 19,317
12 months or more | 14,300 | 91,609
Total | 83,051 | 110,926
Available-for-sale, gross unrealized losses [Abstract] |  |
Less than 12 months | (182) | (100)
12 months or more | (58) | (972)
Total | (240) | (1,072)
Available-for-sale, fair value [Abstract] |  |
Less than 12 months | 68,569 | 19,217
12 months or more | 14,242 | 90,637
Total | 82,811 | 109,854
Other Debt Securities [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less than 12 months | 30,170 | 31,418
12 months or more | 26,326 | 0
Total | 56,496 | 31,418
Available-for-sale, gross unrealized losses [Abstract] |  |
Less than 12 months | (322) | (276)
12 months or more | (645) | 0
Total | (967) | (276)
Available-for-sale, fair value [Abstract] |  |
Less than 12 months | 29,848 | 31,142
12 months or more | 25,681 | 0
Total | $ 55,529 | $ 31,142

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- Definition This item represents the aggregate amortized cost of investments in debt securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 + Details
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