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INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Amortized Cost and Approximate Fair Value of Securities Available for Sale) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 615,396 | $ 389,424
Gross Unrealized Gains | 8,768 | 2,511
Gross Unrealized Losses | (1,475) | (1,180)
Fair Value | 622,689 | 390,755
U.S. Treasuries [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 2,613 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | 0 |
Fair Value | 2,613 |
U.S. Government-Sponsored Agencies [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 84,424 | 34,961
Gross Unrealized Gains | 2 | 37
Gross Unrealized Losses | (655) | (214)
Fair Value | 83,771 | 34,784
Mortgage-Backed Securities-Residential [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 467,915 | 337,489
Gross Unrealized Gains | 8,604 | 2,365
Gross Unrealized Losses | (461) | (950)
Fair Value | 476,058 | 338,904
SBA Pool Securities [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 49,457 | 2,799
Gross Unrealized Gains | 31 | 0
Gross Unrealized Losses | (359) | (15)
Fair Value | 49,129 | 2,784
State and Political Subdivisions [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 7,987 | 11,175
Gross Unrealized Gains | 102 | 41
Gross Unrealized Losses | 0 | (1)
Fair Value | 8,089 | 11,215
Corporate Bond [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 3,000 | 3,000
Gross Unrealized Gains | 29 | 68
Gross Unrealized Losses | 0 | 0
Fair Value | $ 3,029 | $ 3,068

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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=121645371&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss 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 (c) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
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