Leases - Operating and Finance Lease Right-of-use-assets and Related Lease Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Leases
Operating lease assets	$ 28,561	$ 29,621
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Operating lease assets	Operating lease assets
Finance lease assets	$ 14,704	$ 15,346
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Finance lease assets	Finance lease assets
Total leased assets	$ 43,265	$ 44,967
Operating liabilities current	$ 4,574	$ 4,470
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Finance liabilities current	$ 1,437	$ 1,345
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Finance liabilities current	Finance liabilities current
Operating liabilities noncurrent	$ 24,363	$ 25,321
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Finance liabilities noncurrent	$ 41,567	$ 42,329
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Finance liabilities noncurrent	Finance liabilities noncurrent
Total lease liabilities	$ 71,941	$ 73,465
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current, Other Liabilities, Noncurrent	Other Liabilities, Current, Other Liabilities, Noncurrent
Finance lease, accumulated depreciation	$ 47,900	$ 47,400
Prepaid financing costs	$ 500	$ 500