Stockholders’ Equity of the Company and Partners' Capital of the Operating Partnership (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Common Stock and Units Roll-Forward

The following table is a roll-forward of the Company's shares of common stock outstanding and the Operating Partnership's Units outstanding, including equity compensation awards which are discussed Note 11, for the three years ended December 31, 2021: 

	Shares of Common Stock Outstanding	General Partner and Limited Partner Units Outstanding
Balance at December 31, 2018	126,307,431	128,931,598
Issuance of Service Awards and Performance Awards (as defined in Note 11)	109,353	406,569
Vesting of Performance Units (as defined in Note 11)	169,033	169,033
Repurchase and Retirement of Service Awards and Performance Awards (as defined in Note 11)	(76,855)	(89,978)
Conversion of Limited Partner Units (A)	485,516	—
Balance at December 31, 2019	126,994,478	129,417,222
Issuance of Common Stock/Contribution of General Partner Units under our 2020 ATM Program (as further described below)	1,842,281	1,842,281
Issuance of Service Awards and Performance Awards (as defined in Note 11)	—	464,975
Vesting of Performance Units (as defined in Note 11)	107,752	107,752
Repurchase and Retirement of Service Awards and Performance Awards (as defined in Note 11)	(65,709)	(67,676)
Conversion of Limited Partner Units (A)	172,610	—
Balance at December 31, 2020	129,051,412	131,764,554
Issuance of Common Stock/Contribution of General Partner Units under our 2020 ATM Program (as further described below)	2,513,758	2,513,758
Issuance of Service Awards and Performance Awards (as defined in Note 11)	—	337,685
Vesting of Performance Units (as defined Note 11)	133,803	133,803
Repurchase and Retirement of Service Awards and Performance Awards (as defined in Note 11)	(55,201)	(66,872)
Conversion of Limited Partner Units (A)	103,953	—
Balance at December 31, 2021	131,747,725	134,682,928

Summary of Dividends/Distributions

The following table summarizes dividends/distributions accrued during the past three years: 

	2021 Total Dividend/ Distribution		2020 Total Dividend/ Distribution		2019 Total Dividend/ Distribution
Common Stock/Operating Partnership Units	$	143,643	$	130,943	$	119,522