Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share Disclosure [Line Items]

Schedule of potentially dilutive securities not included in calculating diluted earnings per share

The following potentially dilutive securities were outstanding for the years ended December 31, 2019, 2018, and 2017, but were not included in the computation of diluted earnings per share because the effects of their inclusion would be anti-dilutive.

	Year Ended December 31,
	2019	2018	2017
Common OP Units (Note 8)	531,112	771,708	1,019,186
Preferred OP Units (Note 8)	42,421	77,513	77,513
Total potentially dilutive securities	573,533	849,221	1,096,699

Schedule of summary of elements used in calculating basic and diluted earnings per share

The following is a summary of the elements used in calculating basic and diluted earnings per share:

	Year Ended December 31,
	2019			2018			2017
Numerator - basic and diluted earnings per share
Net income	$	86,762		$	119,124		$	70,121
Net income attributable to noncontrolling interests	(1,793		)	(2,029		)	(1,083		)
Net income attributable to ACC, Inc. and Subsidiaries common stockholders	84,969			117,095			69,038
Amount allocated to participating securities	(1,902		)	(1,522		)	(1,536		)
Net income attributable to common stockholders	$	83,067		$	115,573		$	67,502
Denominator
Basic weighted average common shares outstanding	137,295,837			136,815,051			135,141,423
Unvested restricted stock awards (Note 11)	990,941			906,998			860,962
Diluted weighted average common shares outstanding	138,286,778			137,722,049			136,002,385

Earnings per share
Net income attributable to common stockholders - basic	$	0.61	$	0.84	$	0.50
Net income attributable to common stockholders - diluted	$	0.60	$	0.84	$	0.50

AMERICAN CAMPUS COMMUNITIES OPERATING PARTNERSHIP LP

Earnings Per Share Disclosure [Line Items]

Schedule of potentially dilutive securities not included in calculating diluted earnings per share

The following is a summary of the elements used in calculating basic and diluted earnings per unit:

	Year Ended December 31,
	2019			2018			2017
Numerator - basic and diluted earnings per unit
Net income	$	86,762		$	119,124		$	70,121
Net income attributable to noncontrolling interests – partially owned properties	(1,398		)	(1,215		)	(435		)
Series A preferred unit distributions	(68		)	(124		)	(124		)
Amount allocated to participating securities	(1,902		)	(1,522		)	(1,536		)
Net income attributable to common unitholders	$	83,394		$	116,263		$	68,026
Denominator
Basic weighted average common units outstanding	137,826,949			137,586,759			136,160,609
Unvested restricted stock awards (Note 11)	990,941			906,998			860,962
Diluted weighted average common units outstanding	138,817,890			138,493,757			137,021,571

Earnings per unit
Net income attributable to common unitholders - basic	$	0.61	$	0.85	$	0.50
Net income attributable to common unitholders - diluted	$	0.60	$	0.84	$	0.50