Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$ 4,892	$ 12,332
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$ 32,014	$ 115,794