Leases (Summary of Lease Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease right-of-use assets	$ 108,229	$ 125,866
Finance lease assets	10,982	12,080
Total lease assets	119,211	137,946
Operating lease liability, current	32,207	32,929
Finance lease liability, current	4,204	3,667
Total current lease liabilities	36,411	36,596
Operating lease liability, noncurrent	105,768	128,319
Finance lease liability, noncurrent	19,031	23,520
Total noncurrent lease liabilities	124,799	151,839
Total lease liabilities	$ 161,210	$ 188,435
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net of accumulated depreciation of $344,906 and $286,133	Property and equipment, net of accumulated depreciation of $344,906 and $286,133
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current portion of lease obligations	Current portion of lease obligations
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current portion of lease obligations	Current portion of lease obligations
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Total noncurrent lease liabilities	Total noncurrent lease liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Total noncurrent lease liabilities	Total noncurrent lease liabilities