Leases - Other Information Related to Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 18,227	$ 20,100
Operating cash flows from finance leases	22	55
Financing cash flows from finance leases	206	232
Lease liabilities arising from new ROU assets, Operating leases	53,417	7,679
Lease liabilities arising from new ROU assets, Finance leases	$ 130	$ 81
Weighted Average remaining lease term, Operating leases	10 years 1 month 6 days		10 years 4 months 24 days
Weighted Average remaining lease term, Finance leases	2 years 9 months 18 days		2 years 9 months 18 days
Weighted Average Discount Rate, Operating leases	5.40%		5.70%
Weighted Average Discount Rate, Finance leases	4.00%		4.20%