Leases - Lease-related Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating lease liabilities:
Current lease liabilities included in Other accrued expenses	$ 883		$ 0
Long-term lease liabilities	24,037	$ 18,143	0
Total operating lease liabilities	24,920		0
Financing lease liabilities:
Current portion included in Current portion of long-term debt and finance lease obligations	296
Current portion included in Current portion of long-term debt and finance lease obligations			477
Long-term portion of lease liabilities included in Long-term debt and finance lease obligations, net of current portion	804
Long-term portion of lease liabilities included in Long-term debt and finance lease obligations, net of current portion			1,100
Total financing lease liabilities	1,100
Total financing lease liabilities			$ 1,577
Total lease liabilities	$ 26,020
Weighted-average remaining lease term:
Operating leases	24 years
Finance leases	4 years
Weighted-average discount rate:
Operating leases	4.72%
Finance leases	3.70%