Leases (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 10, 2019
Option to extend - Operating	true
Option to extend - Finance	true
Option to terminate period - Operating	1 year
Option to terminate period - Finance	1 year
Option to terminate - Operating	true
Option to terminate - Finance	true
Operating lease assets	$ 152,178	$ 495,000
Minimum
Option to extend period - Operating	1 year
Option to extend period - Finance	1 year
Maximum
Option to extend period - Operating	8 years
Option to extend period - Finance	8 years