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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Statement Of Financial Position [Abstract] |  |
Securities available for sale, amortized cost | $ 6,380,002 | $ 6,984,530
Securities held to maturity, fair value | 2,429,049 | 1,631,482
Loans held-for-sale, fair value | 25,046 | 41,022
Property and equipment, accumulated depreciation | 286,052 | 280,065
Right of use assets, accumulated amortization | $ 37,511 | $ 34,425
Preferred stock, par value per share | $ 20.00 | $ 20.00
Common stock, par value per share | $ 3.33 | $ 3.33

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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