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Securities - Temporarily Impaired Securities (Details) $ in Thousands | Mar. 31, 2020 USD ($) contract | Dec. 31, 2019 USD ($)
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Loss | $ | $ (305) | $ (281)
Number of Securities | contract | 13 |
US Government-sponsored Enterprises Debt Securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Loss | $ | $ 0 | (13)
Number of Securities | contract | 0 |
Municipal securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Loss | $ | $ (2) | (3)
Number of Securities | contract | 1 |
Other debt securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Loss | $ | $ (118) | (33)
Number of Securities | contract | 1 |
Mortgage-backed securities (GSEs) [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Loss | $ | $ (185) | $ (232)
Number of Securities | contract | 11 |

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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=118939692&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=118955579&loc=SL82922890-210455 + Details
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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, 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 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455 + Details
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