Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Year Ended December 31,
(shares and dollars in thousands, except per share amounts)	2016			2015			2014
Numerator:
Income from continuing operations	$	72,776		$	65,708		$	70,865
Less: net income attributable to participating securities	(793		)	(927		)	(1,152		)
Income from continuing operations net of income attributable to participating securities	$	71,983		$	64,781		$	69,713
Denominator:
Weighted average shares for basic earnings per share	76,231			68,851			59,402
Effect of dilutive securities:
Employee share options	13			19			24
Denominator for diluted earnings per share	76,244			68,870			59,426
Basic earnings per Common Share from continuing operations attributable to Acadia	$	0.94		$	0.94		$	1.18
Diluted earnings per Common Share from continuing operations attributable to Acadia	$	0.94		$	0.94		$	1.18