Notes Payable and Derivatives (Narrative) (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended
	Jun. 30, 2024	May 31, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Derivative [Line Items]
Amortization of interest rate hedges			$ 450,000	$ 620,000	$ 1,692,000	$ 1,843,000
Accrued interest payable			75,399,000		75,399,000		$ 34,374,000
Amortization of debt costs					4,538,000	3,648,000
Interest rate cash flow hedge gain (loss) to be reclassified over next 12 months, net			1,858,000		1,858,000
Notes Payable 2034 Member
Derivative [Line Items]
Aggregate principal amount issued		$ 500,000,000
Debt interest rate percantage		5.50%
Accrued interest payable			493,840,000		493,840,000
Debt amortized interest expense					6,160,000
Debt issuance costs			4,450,000		$ 4,450,000
Debt note discount percentage					5.662%
Net proceeds from debt issuance cost					$ 489,390,000
Loans Payable
Derivative [Line Items]
Debt interest rate percantage	3.90%
Notes payable redeemed	$ 350,000,000
Debt issuance costs			43,820,000		43,820,000		$ 42,595,000
Redemption price percentage	100.00%
Loans Payable | Notes Payable 2034 Member
Derivative [Line Items]
Redemption price percentage		100.00%
AOCI, cash flow hedges
Derivative [Line Items]
Amortization of interest rate hedges					8,419,000
Accumulated Other Comprehensive Income (Loss)
Derivative [Line Items]
Amortization of interest rate hedges			$ 450,000	$ 620,000	$ 1,692,000	$ 1,843,000