Leases - Additional Information (Details)	6 Months Ended
	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease, options to extend	Most leases include one or more options to renew, with renewal terms generally containing one or more five-year renewal options.
Minimum [Member]
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term	24 years