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Investment Securities - Summary of Amortized Cost and Fair Value of Available for Sale Securities and Held to Maturity Securities - (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | $ 125,729 | $ 75,663
Available for sale, Gross Unrealized Gains | 435 | 106
Available for sale, Gross Unrealized Losses | (95) | (2,007)
Available for sale, Fair Value | 126,069 | 73,762
Held to maturity, Amortized Cost | 8,332 | 9,961
Held to maturity, Gross Unrealized Gains | 300 | 143
Held to maturity, Gross Unrealized Losses |  | (164)
Securities held to maturity, fair value | 8,632 | 9,940
Government Agency Securities |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 1,591 | 1,873
Available for sale, Gross Unrealized Losses | (19) | (58)
Available for sale, Fair Value | 1,572 | 1,815
SBA Agency Securities |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 4,671 | 5,354
Available for sale, Gross Unrealized Gains | 42 |
Available for sale, Gross Unrealized Losses | (22) | (185)
Available for sale, Fair Value | 4,691 | 5,169
Mortgage-Backed Securities - Government Sponsored Agencies |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 19,126 | 23,125
Available for sale, Gross Unrealized Gains | 74 |
Available for sale, Gross Unrealized Losses | (29) | (584)
Available for sale, Fair Value | 19,171 | 22,541
Collateralized Mortgage Obligations |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 11,641 | 12,696
Available for sale, Gross Unrealized Gains | 38 | 1
Available for sale, Gross Unrealized Losses | (25) | (631)
Available for sale, Fair Value | 11,654 | 12,066
Corporate Debt Securities |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 88,700 | 32,615
Available for sale, Gross Unrealized Gains | 281 | 105
Available for sale, Gross Unrealized Losses |  | (549)
Available for sale, Fair Value | 88,981 | 32,171
Municipal Taxable Securities |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Held to maturity, Amortized Cost | 3,505 | 4,290
Held to maturity, Gross Unrealized Gains | 147 | 142
Securities held to maturity, fair value | 3,652 | 4,432
Municipal Securities |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Held to maturity, Amortized Cost | 4,827 | 5,671
Held to maturity, Gross Unrealized Gains | 153 | 1
Held to maturity, Gross Unrealized Losses |  | (164)
Securities held to maturity, fair value | $ 4,980 | $ 5,508

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
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