Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Operating cash outflows resulting from payments of operating lease liabilities	$ 5,006	$ 5,297
New operating lease assets recognized during the period	$ 524	$ 1,857
Maximum | Facility Leases
Lessee, Lease, Description [Line Items]
Lease terms	12 years
Extended lease term	10 years
Maximum | Vehicle And Office Equipment Leases
Lessee, Lease, Description [Line Items]
Lease terms	6 years
Remaining lease term	5 years
Maximum | Merchant Space Leases
Lessee, Lease, Description [Line Items]
Lease terms	5 years
Minimum | Facility Leases
Lessee, Lease, Description [Line Items]
Extended lease term	5 years
Minimum | Vehicle And Office Equipment Leases
Lessee, Lease, Description [Line Items]
Lease terms	4 years
Minimum | Merchant Space Leases
Lessee, Lease, Description [Line Items]
Lease terms	1 year