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Securities - Schedule of Required Fair Value Disclosures for Equity Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2021 | Sep. 30, 2021 | Sep. 30, 2020
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | $ 2,170 | $ 2,170 | $ 2,363
Unrealized Gains | 25 | 397 | 25
Unrealized Losses | 218 | 20 | 508
Fair value at end of period |  | 2,547 | 1,880
CRA Mutual Fund |  |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | 1,065 | 1,065 | 1,045
Unrealized Gains | 25 | 0 | 25
Unrealized Losses | 5 | 20 | 0
Fair value at end of period |  | 1,045 | 1,070
Stock in other banks |  |  |
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward] |  |  |
Fair value at beginning of period | 1,105 | 1,105 | 1,318
Unrealized Gains | 0 | 397 | 0
Unrealized Losses | $ 213 | 0 | 508
Fair value at end of period |  | $ 1,502 | $ 810

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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=123594786&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=123583765&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=123583765&loc=SL75117546-209714 + Details
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