Supplementary Quarterly Financial Information (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 564,118	$ 510,580	$ 546,430	$ 542,832	$ 544,770	$ 543,275	$ 556,082	$ 522,760	$ 2,163,960	$ 2,166,887	$ 2,239,557
Gross profit	84,795	85,134	90,417	83,596	79,628	81,457	85,145	78,498	$ 343,942	$ 324,728	$ 318,927
Net income (loss)	$ 6,108	$ 5,971	$ 7,883	$ 2,811	$ (3,176)	$ (767)	$ 2,366	$ 4,172
Basic and diluted earnings (loss) per common share: Basic	$ 0.50	$ 0.50	$ 0.66	$ 0.24	$ (0.27)	$ (0.06)	$ 0.19	$ 0.34	$ 1.90	$ 0.21	$ 1.49
Basic and diluted earnings (loss) per common share: Diluted	$ 0.48	$ 0.47	$ 0.64	$ 0.23	$ (0.27)	$ (0.06)	$ 0.18	$ 0.31	$ 1.83	$ 0.20	$ 1.41