Leases Lease Cost (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Leases [Abstract]
Finance Lease, Right-of-Use Asset, Amortization	$ 161	$ 323
Finance Lease, Interest Expense	39	79
Operating Lease, Cost	2,263	4,500
Variable Lease, Cost	478	1,068
Finance Lease, Principal Payments	144	239
Operating Lease, Payments	990	1,623
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 0	$ 3,232
Finance Lease, Weighted Average Remaining Lease Term	40 years 6 months	40 years 6 months
Operating Lease, Weighted Average Remaining Lease Term	4 years 6 months	4 years 6 months
Finance Lease, Weighted Average Discount Rate, Percent	5.16%	5.16%
Operating Lease, Weighted Average Discount Rate, Percent	5.16%	5.16%