Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Reconciliation Between Basic and Diluted Income Per Share

A reconciliation between basic and diluted income per share is as follows:

	Three Months Ended June 30, 2018		Three Months Ended June 30, 2017		Six Months Ended June 30, 2018		Six Months Ended June 30, 2017
Net income attributable to common shareholders of Party City Holdco Inc.	$	28,487	$	24,982	$	27,354	$	20,299
Weighted average shares - Basic		96,453,884		119,528,147		96,426,235		119,526,007
Effect of dilutive securities:
Warrants		—		—		—		—
Restricted stock units		—		—		—		—
Stock options		1,234,350		1,415,598		1,243,074		1,377,025
Weighted average shares - Diluted		97,688,233		120,943,745		97,669,309		120,903,032
Net income per share attributable to common shareholders of Party City Holdco Inc. - Basic	$	0.30	$	0.21	$	0.28	$	0.17
Net income per share attributable to common shareholders of Party City Holdco Inc. - Diluted	$	0.29	$	0.21	$	0.28	$	0.17