Investment in Unconsolidated Entities (Summary of Financial Information of Investment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Income Statement [Abstract]
Company’s share in net earnings of unconsolidated entities	$ 1,345	$ 5,697	$ 11,265	$ 19,907
Assets	1,866,646		1,866,646			$ 1,655,675
Liabilities	569,763		569,763			543,621
Stockholders' Equity Attributable to Parent	1,245,216	1,009,240	1,245,216	1,009,240	$ 1,174,077	1,061,907	$ 947,391	$ 874,548
Stockholders' Equity Attributable to Noncontrolling Interest	16,431	21,563	16,431	21,563	16,148	20,908	16,104	14,146
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,261,647	1,030,803	1,261,647	1,030,803	1,190,225	1,082,815	963,495	888,694
Liabilities and Equity	1,866,646		1,866,646			1,655,675
Total revenues	418,978	407,944	1,327,328	1,326,704
Net income	77,111	80,633	226,316	252,833
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated entities	1,345	5,697	11,265	19,907
Stockholders' Equity Attributable to Noncontrolling Interest	16,431	21,563	16,431	21,563	16,148	20,908	16,104	14,146
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,261,647	1,030,803	1,261,647	1,030,803	1,190,225	1,082,815	963,495	888,694
Total revenues	418,978	407,944	1,327,328	1,326,704
Net income	77,111	80,633	226,316	252,833
Assets	1,866,646		1,866,646			1,655,675
Liabilities	569,763		569,763			543,621
Stockholders' Equity Attributable to Parent	1,245,216	1,009,240	1,245,216	1,009,240	$ 1,174,077	1,061,907	$ 947,391	$ 874,548
Liabilities and Equity	1,866,646		1,866,646			1,655,675
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Income Statement [Abstract]
Company’s share in net earnings of unconsolidated entities	1,345	5,697	11,265	19,907
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated entities	1,345	5,697	11,265	19,907
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Income Statement [Abstract]
Assets	256,226		256,226			244,531
Liabilities	108,178		108,178			104,827
Stockholders' Equity Attributable to Parent	75,046		75,046			70,812
Stockholders' Equity Attributable to Noncontrolling Interest	73,002		73,002			68,892
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	148,048		148,048			139,704
Liabilities and Equity	256,226		256,226			244,531
Total revenues	66,782	65,620	199,852	221,650
Cash	24,877		24,877			15,265
Schedule of Equity Method Investments [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	73,002		73,002			68,892
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	148,048		148,048			139,704
Total revenues	66,782	65,620	199,852	221,650
Accounts and Other Receivables, Net, Current	8,315		8,315			4,972
Financing Receivable, after Allowance for Credit Loss	16,252		16,252			10,381
Financing Receivable, Held-for-Sale	5,172		5,172			8,829
Inventory, Net	195,156		195,156			195,732
Other Assets, Current	6,454		6,454			9,352
Accounts Payable, Current	9,154		9,154			10,166
Accrued Liabilities, Current	14,609		14,609			12,177
Notes Payable, Current	84,415		84,415			82,484
Costs and Expenses	66,844	$ 54,140	179,990	$ 181,612
Assets	256,226		256,226			244,531
Cash	24,877		24,877			15,265
Liabilities	108,178		108,178			104,827
Stockholders' Equity Attributable to Parent	75,046		75,046			70,812
Liabilities and Equity	$ 256,226		$ 256,226			$ 244,531