Leases Leases Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating leases	$ 133,864	$ 0
Current operating lease liability	23,137	0
Other noncurrent liabilities	114,686	$ 0
Total operating lease liabilities	137,823
Net property, plant and equipment	59,494
Current portion of long-term debt	636
Long-term debt	58,888
Total finance lease liabilities	$ 59,524
Weighted average remaining lease term, operating leases	11 years 4 months 24 days
Weighted average remaining lease term, finance leases	28 years 3 months 18 days
Weighted average discount rate, operating leases, percent	3.84%
Weighted average discount rate, finance leases, percent	4.56%