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v3.23.3

Notes Payable (Schedule of Notes Payable) (Details) $ in Thousands | Sep. 30, 2023 USD ($) real_estate_facility | Jul. 26, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Principal | $ 9,082,450 |  |
Unamortized Costs | (52,828) |  |
Book Value | 9,029,622 |  | $ 6,870,826
Fair Value | 8,029,754 |  | 5,958,083
Notes due July 25, 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Principal |  | $ 400,000 |
Notes due January 15, 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate |  | 5.125% |
Principal |  | $ 500,000 |
Notes due August 1, 2033 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate |  | 5.10% |
Principal |  | $ 700,000 |
Notes due August 1, 2053 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate |  | 5.35% |
Principal |  | $ 600,000 |
Secured Overnight Financing Rate (SOFR) | Notes due July 25, 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread (as percent) |  | 0.60% |
U.S. Dollar Denominated Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Principal | 7,450,000 |  |
Unamortized Costs | (40,601) |  |
Book Value | 7,409,399 |  | 5,223,709
Fair Value | $ 6,716,521 |  | 4,635,551
U.S. Dollar Denominated Unsecured Debt | Notes due April 23, 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Effective Rate | 5.791% |  |
Principal | $ 700,000 |  |
Unamortized Costs | (397) |  |
Book Value | 699,603 |  | 699,075
Fair Value | $ 699,950 |  | 691,309
U.S. Dollar Denominated Unsecured Debt | Notes due July 25, 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Effective Rate | 5.932% |  |
Principal | $ 400,000 |  |
Unamortized Costs | (1,481) |  |
Book Value | 398,519 |  | 0
Fair Value | $ 400,277 |  | 0
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 | (1,766) |  |
Book Value | 498,234 |  | 497,678
Fair Value | $ 448,646 |  | 441,849
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 | (2,704) |  |
Book Value | 647,296 |  | 646,643
Fair Value | $ 580,053 |  | 578,899
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 | (2,096) |  |
Book Value | 497,904 |  | 497,508
Fair Value | $ 460,565 |  | 466,029
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 | (3,091) |  |
Book Value | 646,909 |  | 646,401
Fair Value | $ 556,154 |  | 558,197
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 | (2,457) |  |
Book Value | 547,543 |  | 547,182
Fair Value | $ 465,373 |  | 468,509
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 | (3,093) |  |
Book Value | 496,907 |  | 0
Fair Value | $ 491,674 |  | 0
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 | (1,714) |  |
Book Value | 498,286 |  | 498,053
Fair Value | $ 450,606 |  | 456,855
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 | (5,183) |  |
Book Value | 644,817 |  | 644,303
Fair Value | $ 517,832 |  | 530,390
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 | (2,872) |  |
Book Value | 547,128 |  | 546,866
Fair Value | $ 429,370 |  | 443,514
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 | (5,697) |  |
Book Value | 694,303 |  | 0
Fair Value | $ 669,161 |  | 0
U.S. Dollar Denominated Unsecured Debt | Notes due August 1, 2053 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 5.35% |  |
Effective Rate | 5.442% |  |
Principal | $ 600,000 |  |
Unamortized Costs | (8,050) |  |
Book Value | 591,950 |  | 0
Fair Value | $ 546,860 |  | 0
U.S. Dollar Denominated Unsecured Debt | Secured Overnight Financing Rate (SOFR) | Notes due April 23, 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread (as percent) | 0.47% |  |
U.S. Dollar Denominated Unsecured Debt | Secured Overnight Financing Rate (SOFR) | Notes due July 25, 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread (as percent) | 0.60% |  |
Euro Denominated Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Principal | $ 1,630,587 |  |
Unamortized Costs | (12,227) |  |
Book Value | 1,618,360 |  | 1,637,025
Fair Value | $ 1,311,580 |  | 1,312,964
Euro Denominated Unsecured Debt | Notes due April 12, 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 1.54% |  |
Effective Rate | 1.54% |  |
Principal | $ 105,744 |  |
Unamortized Costs | 0 |  |
Book Value | 105,744 |  | 107,035
Fair Value | $ 103,939 |  | 104,344
Euro Denominated Unsecured Debt | Notes due November 3, 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 2.175% |  |
Effective Rate | 2.175% |  |
Principal | $ 255,915 |  |
Unamortized Costs | 0 |  |
Book Value | 255,915 |  | 259,039
Fair Value | $ 244,650 |  | 246,119
Euro Denominated Unsecured Debt | Notes due September 9, 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 0.50% |  |
Effective Rate | 0.64% |  |
Principal | $ 740,208 |  |
Unamortized Costs | (7,771) |  |
Book Value | 732,437 |  | 740,634
Fair Value | $ 566,585 |  | 566,204
Euro Denominated Unsecured Debt | Notes due January 24, 2032 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 0.875% |  |
Effective Rate | 0.978% |  |
Principal | $ 528,720 |  |
Unamortized Costs | (4,456) |  |
Book Value | 524,264 |  | 530,317
Fair Value | $ 396,406 |  | 396,297
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 | $ 11,700 |  |
Coupon Rate | 4.414% |  |
Effective Rate | 4.414% |  |
Principal | $ 1,863 |  |
Unamortized Costs | 0 |  |
Book Value | 1,863 |  | 10,092
Fair Value | $ 1,653 |  | $ 9,568

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