Leases Leases additional information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating Lease, Liability	$ 9,128
ASU 2016-02 Lease assets and liabilities recognition	19,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	1,208
Short-term Lease, Cost	176,586
Lease, Cost	199,646
Operating Lease, Cost	11,130
Variable Lease, Cost	11,930
Operating cash flows from operating leases	$ 804
Operating Lease, Weighted Average Remaining Lease Term	11 years 6 months
Weighted average discount rate	4.90%