Debt Debt, Textuals (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.20%
Letters of Credit, Maximum Borrowing Capacity	$ 39,000
Line of Credit Facility, Remaining Borrowing Capacity	1,351,000
Repayments of Other Debt	2,300	$ 1,600
Repayments of Debt	201,500	155,800
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	29,200	$ 43,800
Unamortized Debt Issuance Expense	42,178		$ 43,981
Proceeds from Issuance of Debt	$ 187,500
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	4.65%		4.64%
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate	6.46%		6.50%
Total Debt with Fixed Interest	85.00%	84.00%
Proceeds from Construction Loans Payable	$ 2,522	$ 0
January 2028
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent	637,031		$ 641,250
Line of Credit Facility, Amount Outstanding	110,000		120,000
Line of Credit Facility, Increase (Decrease), Net	185,000	115,000
Debt Instrument, Periodic Payment	4,200	4,200
Bank Credit Facility 2028
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	110,000		120,000
Debt Instrument, Periodic Payment	195,000	150,000
Building Credit Facility February 2037
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	2,522	$ 0
Proceeds from Construction Loans Payable	2,500
Unsecured Debt [Member] | April 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	136,924		136,924
Unsecured Debt [Member] | December 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	550,000		550,000
Unsecured Debt [Member] | August 2030
Debt Instrument [Line Items]
Senior Notes	850,000		850,000
Unsecured Debt [Member] | June 2029 [Member]
Debt Instrument [Line Items]
Senior Notes	750,000		750,000
Unsecured Debt [Member] | May 2031
Debt Instrument [Line Items]
Senior Notes	800,000		800,000
Unsecured Debt [Member] | October 2032
Debt Instrument [Line Items]
Senior Notes	$ 800,000		$ 800,000