Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Selected Quarterly Financial Information [Abstract]

Schedule of Quarterly Financial Data

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
2020
Net sales	$	280,717	$	288,669	$	309,459	$	350,370
Gross profit		95,842		101,492		111,090		122,697
Net income attributable to common shareholders		20,168		21,033		27,152		29,735
Earnings per share attributable to common shareholders
Basic	$	0.39	$	0.41	$	0.52	$	0.60
Diluted	$	0.38	$	0.40	$	0.51	$	0.59
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
2019
Net sales	$	302,293	$	322,006	$	323,674	$	301,157
Gross profit		112,411		121,988		122,046		109,362
Net income (loss) attributable to common shareholders		31,716		36,284		38,060		47,190
Earnings (loss) per share attributable to common shareholders
Basic	$	0.63	$	0.72	$	0.75	$	0.90
Diluted	$	0.62	$	0.70	$	0.73	$	0.90