v3.25.2
Notes Payable (Schedule of Notes Payable) (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
USD ($)
real_estate_facility
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]    
Principal $ 10,496,127  
Unamortized Costs (55,848)  
Book Value 10,440,279 $ 9,353,034
Fair Value 10,034,192 8,807,258
U.S. Dollar Denominated Unsecured Debt    
Debt Instrument [Line Items]    
Principal 8,625,000  
Unamortized Costs (46,449)  
Book Value 8,578,551 7,707,895
Fair Value $ 8,341,599 7,315,437
U.S. Dollar Denominated Unsecured Debt | Notes due July 25, 2025    
Debt Instrument [Line Items]    
Debt instrument, variable interest rate, type [extensible enumeration] Secured Overnight Financing Rate (SOFR) [Member]  
Interest rate spread (as percent) 0.60%  
Effective Rate 4.94%  
Principal $ 400,000  
Unamortized Costs (57)  
Book Value 399,943 399,537
Fair Value $ 400,053 400,714
U.S. Dollar Denominated Unsecured Debt | Notes due February 15, 2026    
Debt Instrument [Line Items]    
Coupon Rate 0.875%  
Effective Rate 1.03%  
Principal $ 500,000  
Unamortized Costs (470)  
Book Value 499,530 499,160
Fair Value $ 488,887 479,639
U.S. Dollar Denominated Unsecured Debt | Notes due November 9, 2026    
Debt Instrument [Line Items]    
Coupon Rate 1.50%  
Effective Rate 1.64%  
Principal $ 650,000  
Unamortized Costs (1,182)  
Book Value 648,818 648,383
Fair Value $ 627,715 614,981
U.S. Dollar Denominated Unsecured Debt | Notes due April 16, 2027    
Debt Instrument [Line Items]    
Debt instrument, variable interest rate, type [extensible enumeration] Secured Overnight Financing Rate (SOFR) [Member]  
Interest rate spread (as percent) 0.70%  
Effective Rate 5.041%  
Principal $ 700,000  
Unamortized Costs (1,936)  
Book Value 698,064 697,544
Fair Value $ 700,708 706,119
U.S. Dollar Denominated Unsecured Debt | Notes due September 15, 2027    
Debt Instrument [Line Items]    
Coupon Rate 3.094%  
Effective Rate 3.218%  
Principal $ 500,000  
Unamortized Costs (1,172)  
Book Value 498,828 498,564
Fair Value $ 489,257 480,904
U.S. Dollar Denominated Unsecured Debt | Notes due May 1, 2028    
Debt Instrument [Line Items]    
Coupon Rate 1.85%  
Effective Rate 1.962%  
Principal $ 650,000  
Unamortized Costs (1,906)  
Book Value 648,094 647,756
Fair Value $ 610,539 592,876
U.S. Dollar Denominated Unsecured Debt | Notes due November 9, 2028    
Debt Instrument [Line Items]    
Coupon Rate 1.95%  
Effective Rate 2.044%  
Principal $ 550,000  
Unamortized Costs (1,616)  
Book Value 548,384 548,144
Fair Value $ 512,256 494,867
U.S. Dollar Denominated Unsecured Debt | Notes due January 15, 2029    
Debt Instrument [Line Items]    
Coupon Rate 5.125%  
Effective Rate 5.26%  
Principal $ 500,000  
Unamortized Costs (2,068)  
Book Value 497,932 497,639
Fair Value $ 515,728 506,074
U.S. Dollar Denominated Unsecured Debt | Notes due May 1, 2029    
Debt Instrument [Line Items]    
Coupon Rate 3.385%  
Effective Rate 3.459%  
Principal $ 500,000  
Unamortized Costs (1,172)  
Book Value 498,828 498,673
Fair Value $ 484,819 472,031
U.S. Dollar Denominated Unsecured Debt | Notes due July 1, 2030    
Debt Instrument [Line Items]    
Coupon Rate 4.375%  
Effective Rate 4.568%  
Principal $ 475,000  
Unamortized Costs (4,050)  
Book Value 470,950 0
Fair Value $ 473,628 0
U.S. Dollar Denominated Unsecured Debt | Notes due May 1, 2031    
Debt Instrument [Line Items]    
Coupon Rate 2.30%  
Effective Rate 2.419%  
Principal $ 650,000  
Unamortized Costs (3,984)  
Book Value 646,016 645,673
Fair Value $ 577,297 555,387
U.S. Dollar Denominated Unsecured Debt | Notes due November 9, 2031    
Debt Instrument [Line Items]    
Coupon Rate 2.25%  
Effective Rate 2.322%  
Principal $ 550,000  
Unamortized Costs (2,253)  
Book Value 547,747 547,570
Fair Value $ 480,262 459,682
U.S. Dollar Denominated Unsecured Debt | Notes due August 1, 2033    
Debt Instrument [Line Items]    
Coupon Rate 5.10%  
Effective Rate 5.207%  
Principal $ 700,000  
Unamortized Costs (4,682)  
Book Value 695,318 695,028
Fair Value $ 718,627 695,171
U.S. Dollar Denominated Unsecured Debt | Notes due July 1, 2035    
Debt Instrument [Line Items]    
Coupon Rate 5.00%  
Effective Rate 5.143%  
Principal $ 400,000  
Unamortized Costs (4,404)  
Book Value 395,596 0
Fair Value $ 398,444 0
U.S. Dollar Denominated Unsecured Debt | Notes due August 1, 2053    
Debt Instrument [Line Items]    
Coupon Rate 5.35%  
Effective Rate 5.474%  
Principal $ 900,000  
Unamortized Costs (15,497)  
Book Value 884,503 884,224
Fair Value 863,379 856,992
Euro Denominated Unsecured Debt    
Debt Instrument [Line Items]    
Principal 1,869,484  
Unamortized Costs (9,399)  
Book Value 1,860,085 1,643,431
Fair Value $ 1,690,973 1,490,230
Euro Denominated Unsecured Debt | Notes due November 3, 2025    
Debt Instrument [Line Items]    
Coupon Rate 2.175%  
Effective Rate 2.175%  
Principal $ 284,194  
Unamortized Costs 0  
Book Value 284,194 251,385
Fair Value $ 283,680 249,979
Euro Denominated Unsecured Debt | Notes due September 9, 2030    
Debt Instrument [Line Items]    
Coupon Rate 0.50%  
Effective Rate 0.64%  
Principal $ 822,002  
Unamortized Costs (5,812)  
Book Value 816,190 720,735
Fair Value $ 719,802 630,159
Euro Denominated Unsecured Debt | Notes due January 24, 2032    
Debt Instrument [Line Items]    
Coupon Rate 0.875%  
Effective Rate 0.978%  
Principal $ 587,145  
Unamortized Costs (3,518)  
Book Value 583,627 515,575
Fair Value $ 505,529 443,113
Euro Denominated Unsecured Debt | Notes due April 11, 2039    
Debt Instrument [Line Items]    
Coupon Rate 4.08%  
Effective Rate 4.08%  
Principal $ 176,143  
Unamortized Costs (69)  
Book Value 176,074 155,736
Fair Value $ 181,962 166,979
Mortgage Debt    
Debt Instrument [Line Items]    
Number of real estate facilities securing debt | real_estate_facility 2  
Net book value of real estate facilities securing notes payable $ 11,000  
Coupon Rate 4.287%  
Effective Rate 4.287%  
Principal $ 1,643  
Unamortized Costs 0  
Book Value 1,643 1,708
Fair Value $ 1,620 $ 1,591