Leases Components of Lease Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use asset	$ 39,674	$ 45,381
Finance lease right-of-use asset	1,154	2,188
Operating lease liability	43,377	49,292
Finance lease liability	$ 1,202	$ 2,209