Leases - Schedule of Supplemental Balance Sheet Information Related Leases Assets and Liabilities (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
ASSETS
Operating lease assets		$ 7,790	$ 11,081
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		Other long-term assets	Other long-term assets
Finance lease assets	[1]	$ 9,166	$ 7,206
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		Property, plant and equipment, net	Property, plant and equipment, net
Total lease assets		$ 16,956	$ 18,287
Current liabilities:
Operating lease liabilities		$ 2,988	$ 4,304
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Finance lease liabilities		$ 3,004	$ 2,202
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]		Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Noncurrent:
Operating lease liabilities		$ 4,873	$ 6,835
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		Other long-term obligations	Other long-term obligations
Finance lease liabilities		$ 6,066	$ 4,914
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		Other long-term obligations	Other long-term obligations
Total lease liabilities		$ 16,931	$ 18,255

[1] Finance lease assets are presented net of accumulated amortization of $3.7 million and $1.7 million as of September 30, 2021 and December 31, 2020, respectively.