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Cash, Cash Equivalents, and Restricted Cash (Schedule of Cash, Cash Equivalents and Restricted Cash) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Restricted Cash And Cash Equivalents Items [Line Items]
Cash and cash equivalents	$ 220,508	$ 208,547
Restricted cash - current asset	58,474	38,129
Total cash, cash equivalents, and restricted cash	283,144	250,946	$ 255,509	$ 189,283
Securitization Escrow Accounts [Member]
Restricted Cash And Cash Equivalents Items [Line Items]
Restricted cash - current asset	51,790	31,852
Payment, Performance Bonds, and Other [Member]
Restricted Cash And Cash Equivalents Items [Line Items]
Restricted cash - current asset	6,684	6,277
Surety Bonds and Workers Compensation [Member]
Restricted Cash And Cash Equivalents Items [Line Items]
Restricted cash - noncurrent asset	$ 4,162	$ 4,270
Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets Noncurrent	Other Assets Noncurrent