Leases Components of Lease Expense (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use asset	$ 35,963	$ 45,381
Finance lease right-of-use asset	1,069	2,188
Operating lease liability	40,833	49,292
Finance lease liability	$ 1,165	$ 2,209