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Fair Value of Assets and Liabilities
3 Months Ended
Mar. 31, 2023
Fair Value Disclosures [Abstract]  
Fair Value of Assets and Liabilities Fair Value of Assets and Liabilities
Our financial instruments include our cash and cash equivalents, rents receivable, accounts payable, a revolving credit facility, senior unsecured notes, a mortgage note payable, amounts due to related persons, other accrued expenses and security deposits. At March 31, 2023 and December 31, 2022, the fair values of our financial instruments approximated their carrying values in our condensed consolidated financial statements, due to their short term nature or floating interest rates, except as follows:
 As of March 31, 2023As of December 31, 2022
Financial Instrument
Carrying Value (1)
Fair Value
Carrying Value (1)
Fair Value
Senior unsecured notes, 4.25% interest rate, due in 2024
$347,433 $326,214 $346,863 $331,601 
Senior unsecured notes, 4.50% interest rate, due in 2025
643,680 560,885 642,818 589,388 
Senior unsecured notes, 2.650% interest rate, due in 2026
297,995 202,875 297,839 232,770 
Senior unsecured notes, 2.400% interest rate, due in 2027
347,621 228,785 347,466 256,606 
Senior unsecured notes, 3.450% interest rate, due in 2031
396,287 223,860 396,178 268,004 
Senior unsecured notes, 6.375% interest rate, due in 2050
156,760 110,614 156,711 113,075 
Mortgage note payable
49,968 49,557 49,917 49,099 
Total$2,239,744 $1,702,790 $2,237,792 $1,840,543 

(1)Includes unamortized debt premiums, discounts and issuance costs totaling $22,256 and $24,208 as of March 31, 2023 and December 31, 2022, respectively.

We estimated the fair values of our senior unsecured notes (except for our senior unsecured notes due 2050) using an average of the bid and ask price of the notes (Level 2 inputs as defined in the fair value hierarchy under GAAP) as of the measurement date. We estimated the fair value of our senior unsecured notes due 2050 based on the closing price on The Nasdaq Stock Market LLC, or Nasdaq, (Level 1 inputs as defined in the fair value hierarchy under GAAP) as of the measurement date. We estimated the fair value of our mortgage note payable using discounted cash flow analyses and currently prevailing market rates (Level 3 inputs as defined in the fair value hierarchy under GAAP) as of the measurement date. Because Level 3 inputs are unobservable, our estimated fair value may differ materially from the actual fair value.