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Securities - Schedule of Required Fair Value Disclosures for Equity Securities (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | $ 1,839 | $ 1,793 | $ 1,793
Unrealized Gains | 193 | 31 | 247
Unrealized Losses | 0 | 81 | 201
Fair value at end of period | 2,032 | 1,743 | 1,839
CRA Mutual Fund |  |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | 1,012 | 1,044 | 1,044
Unrealized Gains | 38 | 0 | 0
Unrealized Losses | 0 | 31 | 32
Fair value at end of period | 1,050 | 1,013 | 1,012
Stock in other banks |  |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | 827 | 749 | 749
Unrealized Gains | 155 | 31 | 247
Unrealized Losses | 0 | 50 | 169
Fair value at end of period | $ 982 | $ 730 | $ 827

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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
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- Definition Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117546-209714 + Details
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- Definition Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117546-209714 + Details
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