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Securities - Schedule of Required Fair Value Disclosures for Equity Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | $ 2,170 | $ 2,363 | $ 2,363
Fair value at beginning of period, including equity securities acquired in business combination |  |  | 2,170
Unrealized Gains | 382 | 16 | 25
Unrealized Losses | 17 | 491 | 218
Fair value at end of period | 2,535 | 1,888 | 2,170
CRA Mutual Fund |  |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | 1,065 | 1,045 | 1,045
Fair value at beginning of period, including equity securities acquired in business combination |  |  | 1,065
Unrealized Gains | 0 | 16 | 25
Unrealized Losses | 17 | 0 | 5
Fair value at end of period | 1,048 | 1,061 | 1,065
Stock in other banks |  |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | 1,105 | 1,318 | 1,318
Fair value at beginning of period, including equity securities acquired in business combination |  |  | 1,105
Unrealized Gains | 382 | 0 | 0
Unrealized Losses | 0 | 491 | 213
Fair value at end of period | $ 1,487 | $ 827 | $ 1,105

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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), including equity securities acquired in business combination. + References No definition available. + Details
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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=120269885&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=120269885&loc=SL75117546-209714 + Details
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