Leases - Supplemental Cash Flow Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash Flow, Operating Activities, Lessee [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	$ 105,366
Right of use assets obtained in exchange for new lease liabilities	$ 54,313
Weighted average remaining non-cancellable lease term	6 years
Weighted average discount rate	6.65%