Debt Debt, Textuals (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 15, 2023
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	5.29%	4.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	200000.00%
Letters of Credit, Maximum Borrowing Capacity		$ 33,500,000		$ 39,100,000
Line of Credit Facility, Remaining Borrowing Capacity	$ 670,900,000
Repayments of Other Debt	5,300,000	3,800,000
Repayments of Debt	603,200,000	101,900,000
Losses on early extinguishment of debt, net	(1,114,000)	(1,225,000)	$ (5,226,000)
Long-term Debt, Fair Value	4,385,434,000	3,921,833,000
Repayments of Long-term Debt	22,230,000	36,288,000	$ 36,158,000
Redemption Premium	500,000	1,200,000
Proceeds from Issuance of Debt	$ 957,400,000	19,000,000.0
Document Period End Date	Dec. 31, 2023
Asset Pledged as Collateral	$ (75,300,000)	(59,800,000)
Deposit Pledged as Collateral	$ 700,000	$ 500,000
Fixed Debt Weighted Average Rate	4.35%	4.32%
Floating Debt Weighted Average Rate	7.44%	2.95%
April 2027 [Member]
Debt Instrument [Line Items]
Repayments of Debt		$ 14,400,000
Repayments of Long-term Debt	$ 900,000
Bank Credit Facility due March 2022 [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt	44,300,000
May 2024 [Member]
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent	0	536,250,000
Line of Credit Facility, Amount Outstanding	0	570,000,000
Repayments of Debt		50,000,000.0
Debt Instrument, Periodic Payment	145,300,000	32,500,000
Proceeds from Issuance of Debt	10,000,000.0
Proceeds from Lines of Credit	600,000,000.0	465,000,000.0
Repayments of Lines of Credit	199,300,000
Other Notes Payable
Debt Instrument [Line Items]
Proceeds from Lines of Credit	19,000,000.0
January 2028
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent	658,125,000	0		675,000,000.0
Line of Credit Facility, Amount Outstanding	790,000,000	0		$ 1,500,000
Repayments of Debt	16,900,000
Proceeds from Issuance of Debt	284,100,000
Repayments of Lines of Credit	235,000,000.0
Unsecured Debt [Member] | April 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	137,424,000	138,274,000
Unsecured Debt [Member] | December 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	550,000,000	550,000,000
Unsecured Debt [Member] | August 2030 [Member]
Debt Instrument [Line Items]
Senior Notes	850,000,000	850,000,000
Unsecured Debt [Member] | June 2029 [Member]
Debt Instrument [Line Items]
Senior Notes	750,000,000	750,000,000
Unsecured Debt [Member] | May 2031
Debt Instrument [Line Items]
Senior Notes	$ 800,000,000	$ 800,000,000