Leases (Details)	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2019 lease lease_renew_option
Lessee, Lease, Description [Line Items]
Lessee, number of operating leases, noncurrent | lease		36
Lessee, operating lease, number of options to renew | lease_renew_option		1
Operating lease rent expense	$ 5,019,000
Amortization of favorable lease intangibles	$ 90
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract		1 year
Lessee, operating lease, renewal term		20 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract		36 years