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Securities - Schedule of Required Fair Value Disclosures for Equity Securities (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |
Fair value at beginning of period | $ 1,839 | $ 1,793
Unrealized Gains | 53 | 7
Unrealized Losses | 20 | 40
Fair value at end of period | 1,872 | 1,760
CRA Mutual Fund |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |
Fair value at beginning of period | 1,012 | 1,044
Unrealized Gains | 16 | 0
Unrealized Losses | 0 | 25
Fair value at end of period | 1,028 | 1,019
Stock in other banks |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |
Fair value at beginning of period | 827 | 749
Unrealized Gains | 37 | 7
Unrealized Losses | 20 | 15
Fair value at end of period | $ 844 | $ 741

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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=84241550&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=84241550&loc=SL75117546-209714 + Details
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