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Subsequent Events (Details) - Subsequent Event - Altabancorp $ in Thousands | Oct. 01, 2021 USD ($) shares
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Subsequent Event |
Percentage of outstanding common stock acquired | 100.00%
Business combination, assets acquired | $ 3,647,728
Business combination, acquired loans receivable | 1,901,181
Business combination, acquired deposits | 3,278,907
Value of acquisition | $ 839,852
Number of shares issued for acquisition (in shares) | shares | 15,173,480

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