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Securities Available for Sale (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 1,415,959 | $ 547,711
Gross Unrealized Gains | 25,455 | 28,395
Gross Unrealized Losses | (13,737) | (506)
Fair Value | 1,427,677 | 575,600
U.S. Treasury and U.S. government sponsored entities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 93,137 | 11,798
Gross Unrealized Gains | 32 | 101
Gross Unrealized Losses | (2,338) | (54)
Fair Value | 90,831 | 11,845
State and political subdivisions |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 636,724 | 344,160
Gross Unrealized Gains | 23,296 | 22,350
Gross Unrealized Losses | (1,205) | (204)
Fair Value | 658,815 | 366,306
Mortgage-backed securities - residential |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 663,405 | 157,106
Gross Unrealized Gains | 1,875 | 4,919
Gross Unrealized Losses | (10,094) | (243)
Fair Value | 655,186 | 161,782
Collateralized mortgage obligations |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 13,303 | 25,654
Gross Unrealized Gains | 153 | 742
Gross Unrealized Losses | (71) | (3)
Fair Value | 13,385 | 26,393
Corporate bonds |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 4,009 | 3,582
Gross Unrealized Gains | 50 | 132
Gross Unrealized Losses | (29) | (2)
Fair Value | 4,030 | 3,712
Small Business Administration |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 5,381 | 5,411
Gross Unrealized Gains | 49 | 151
Gross Unrealized Losses | 0 | 0
Fair Value | $ 5,430 | $ 5,562

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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=123581744&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=123581744&loc=d3e27161-111563 + Details
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