Leases Leases Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 11,177	$ 8,930
Operating cash flows from finance leases	380	33
Financing cash flows from finance leases	172	171
Right-of-use asset obtained in exchange for operating leases	$ 16,021	$ 0