Income per Unit (Tables)

3 Months Ended

Mar. 31, 2020

Class of Stock [Line Items]

Summary of Basic and Diluted Earnings Per Share

The following is a summary of basic and diluted income per share (in thousands, except share and per share amounts):

	Three Months Ended March 31,
	2020		2019
Net income available to common stockholders	$	202,859	$	95,869
Weighted average shares outstanding—basic		222,163,324		207,809,383
Potentially dilutive common shares:
Unvested incentive units		224,558		323,064
Unvested restricted stock		158,022		—
Forward equity offering		1,392,934		221,448
Market performance-based awards		535,457		172,354
Weighted average shares outstanding—diluted		224,474,295		208,526,249
Income per share:
Basic	$	0.91	$	0.46
Diluted	$	0.90	$	0.46

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

We have excluded the following potentially dilutive securities in the calculations above as they would be antidilutive or not dilutive:

	Three Months Ended March 31,
	2020	2019
Weighted average of Operating Partnership common units not owned by Digital Realty Trust, Inc.	8,279,335	9,229,911
Potentially dilutive Series C Cumulative Redeemable Perpetual Preferred Stock	1,596,099	1,738,781
Potentially dilutive Series G Cumulative Redeemable Preferred Stock	1,979,075	2,155,992
Potentially dilutive Series H Cumulative Redeemable Preferred Stock	—	3,159,382
Potentially dilutive Series I Cumulative Redeemable Preferred Stock	1,981,391	2,158,515
Potentially dilutive Series J Cumulative Redeemable Preferred Stock	1,580,822	1,722,138
Potentially dilutive Series K Cumulative Redeemable Preferred Stock	1,662,320	358,008
Potentially dilutive Series L Cumulative Redeemable Preferred Stock	2,723,082	—
Total	19,802,124	20,522,727

Digital Realty Trust, L.P.

Class of Stock [Line Items]

Summary of Basic and Diluted Earnings Per Share

The following is a summary of basic and diluted income per unit (in thousands, except unit and per unit amounts):

	Three Months Ended March 31,
	2020		2019
Net income available to common unitholders	$	210,659	$	100,169
Weighted average units outstanding—basic		230,442,659		217,039,295
Potentially dilutive common units:
Unvested incentive units		224,558		323,064
Unvested restricted units		158,022		—
Forward equity offering		1,392,934		221,448
Market performance-based awards		535,457		172,354
Weighted average units outstanding—diluted		232,753,630		217,756,161
Income per unit:
Basic	$	0.91	$	0.46
Diluted	$	0.90	$	0.46

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

We have excluded the following potentially dilutive securities in the calculations above as they would be antidilutive or not dilutive:

	Three Months Ended March 31,
	2020	2019
Potentially dilutive Series C Cumulative Redeemable Perpetual Preferred Units	1,596,099	1,738,781
Potentially dilutive Series G Cumulative Redeemable Preferred Units	1,979,075	2,155,992
Potentially dilutive Series H Cumulative Redeemable Preferred Units	—	3,159,382
Potentially dilutive Series I Cumulative Redeemable Preferred Units	1,981,391	2,158,515
Potentially dilutive Series J Cumulative Redeemable Preferred Units	1,580,822	1,722,138
Potentially dilutive Series K Cumulative Redeemable Preferred Units	1,662,320	358,008
Potentially dilutive Series L Cumulative Redeemable Preferred Units	2,723,082	—
Total	11,522,789	11,292,816