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Leases (Narrative) (Details)
 12 Months Ended
Dec. 31, 2022
BuildingLease
Leases [Abstract]  
Operating leases term description The Company is obligated under a number of non-cancellable operating lease agreements for land, buildings and equipment with terms, including renewal options reasonably certain to be exercised, extending through 2061
Sublease extension terms Two building leases were subleased with terms that extended through December 31, 2023.
Number of buildings subleased 2
Operating leases, weighted average remaining lease term 22 years 2 months 12 days
Operating leases, weighted-average discount rate 3.89%