Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Summary of Valuations for Each Type of Fair Value Measurement

The following table summarizes the inputs to the valuations for each type of fair value measurement:

Fair Value Measurement Type	Valuation Inputs
Employee holdings (other than Common Shares) within the supplemental executive retirement plan (the “SERP”)	Quoted market prices for identical assets. These holdings are included in other assets and other liabilities on the consolidated balance sheets.
Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners	Quoted market price of Common Shares.
Mortgage notes payable and private unsecured debt (including its commercial paper and line of credit, if applicable)	Indicative rates provided by lenders of similar loans.
Public unsecured notes	Quoted market prices for each underlying issuance.

Summary of Carrying and Fair Values of Financial Instruments

The following table provides a summary of the carrying and fair values for the Company’s mortgage notes payable and unsecured debt (including its commercial paper and line of credit, if applicable) at December 31, 2022 and 2021, respectively (amounts in thousands):

	December 31, 2022				December 31, 2021
	Carrying Value		Estimated Fair Value (Level 2)		Carrying Value		Estimated Fair Value (Level 2)
Mortgage notes payable, net	$	1,953,438	$	1,803,525	$	2,191,201	$	2,193,689
Unsecured debt, net		5,472,284		4,874,490		6,150,252		6,798,309
Total debt, net	$	7,425,722	$	6,678,015	$	8,341,453	$	8,991,998

Summarizes Company's Consolidated Derivative Instruments

The following table summarizes the Company’s consolidated derivative instruments at December 31, 2022 (dollar amounts are in thousands):

	Forward Starting Swaps (1)
Current Notional Balance	$	450,000
Lowest Interest Rate		2.4470	%
Highest Interest Rate		3.6995	%
Maturity Date		2033

(1)Forward Starting Swaps – Designed to partially fix interest rates in advance of planned future debt issuances. These swaps have mandatory counterparty terminations in 2024 and are targeted for certain 2023 debt issuances.

Summary of Fair Value Measurements for Each Major Category of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables provide a summary of the fair value measurements for each major category of assets and liabilities measured at fair value on a recurring basis and the location within the accompanying consolidated balance sheets at December 31, 2022 and 2021, respectively (amounts in thousands):

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	12/31/2022		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	Other Assets	$	21,864	$	—	$	21,864	$	—
Supplemental Executive Retirement Plan	Other Assets		133,245		133,245		—		—
Total		$	155,109	$	133,245	$	21,864	$	—
Liabilities
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	Other Liabilities	$	1,210	$	—	$	1,210	$	—
Supplemental Executive Retirement Plan	Other Liabilities		133,245		133,245		—		—
Total		$	134,455	$	133,245	$	1,210	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	318,273	$	—	$	318,273	$	—

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	12/31/2021		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	164,650	$	164,650	$	—	$	—
Liabilities
Supplemental Executive Retirement Plan	Other Liabilities	$	164,650	$	164,650	$	—	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	498,977	$	—	$	498,977	$	—

Summary of Effect of Cash Flow Hedges on the Accompanying Consolidated Statements of Operations and Comprehensive Income

The following tables provide a summary of the effect of cash flow hedges on the Company’s accompanying consolidated statements of operations and comprehensive income for the years ended December 31, 2022, 2021 and 2020, respectively (amounts in thousands):

December 31, 2022 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative		Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	20,654	Interest expense	$	(11,071	)
Total	$	20,654		$	(11,071	)

December 31, 2021 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative		Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	—	Interest expense	$	(9,394	)
Total	$	—		$	(9,394	)

December 31, 2020 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative			Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	(1,190	)	Interest expense	$	(35,087	)
Total	$	(1,190	)		$	(35,087	)