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Audit Information
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Auditor Information [Abstract]      
Auditor Firm ID 34 238 238
Auditor Name Deloitte & Touche LLP PricewaterhouseCoopers LLP  
Auditor Location Des Moines, Iowa Des Moines, Iowa