Leases - Narrative (Details)	Sep. 30, 2021
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term for operating leases	9 years
Weighted-average discount rate for operating leases	3.60%
Operating Leases, Facilities
Lessee, Lease, Description [Line Items]
Renewal lease term	15 years
Operating Leases, Facilities | Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	2 months 12 days
Operating Leases, Facilities | Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	13 years 8 months 12 days
Operating Leases, Automobiles and Equipment | Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	9 months 18 days
Operating Leases, Automobiles and Equipment | Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	4 years 8 months 12 days