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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investment securities:
Securities held to maturity, fair value (in dollars)	$ 957,183	$ 0
Shareholders' equity:
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized	160,000,000	80,000,000
Common stock, shares issued	70,973,477	33,744,385
Common stock, shares outstanding	70,973,477	33,744,385

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Face amount or stated value per share of common stock.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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