Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Unamortized debt issuance cost	$ 1,164	$ 1,631
Concentration of Credit Risk
Expense for bad debts	900	300	$ 400
Allowance for doubtful accounts receivable	400	500	900
Receivables
Trade receivable sold under factoring agreement	5,800	5,800
Cash proceeds from sale of receivables	5,300	5,400
Administrative fees	$ 500	400
Inventories
Percentage of LIFO Inventory	40.00%
Cost valuation of inventory if FIFO had been used exclusively	$ 4,700	5,100	6,800
LIFO inventories increased cost of sales and decreased income from continuing operations before income taxes	100
Liquidation of LIFO inventories decreased cost of sales		100	400
Property, Plant and Equipment
Capitalized Computer Software, Gross	4,100	4,100
Capitalized Computer Software, Amortization	600	500	300
Shipping and handling
Shipping and handling expenses	16,800	16,400	19,400
Cash and Cash Equivalents
Accrued capital expenditures excluded from investing activities	$ 100	$ 6,600	$ 200
Customer 1 [Member] | Sales [Member] | Customer Concentration Risk [Member]
Concentration of Credit Risk
Concentration risk percentage	4.00%
Maximum [Member] | Customer 2 [Member] | Sales [Member] | Customer Concentration Risk [Member]
Concentration of Credit Risk
Concentration risk percentage	3.00%
Brazil [Member] | Sales [Member] | Customer Concentration Risk [Member]
Concentration of Credit Risk
Concentration risk percentage	3.90%	4.70%	7.30%
Canada [Member] | Sales [Member] | Customer Concentration Risk [Member]
Concentration of Credit Risk
Concentration risk percentage	4.40%	5.20%	4.20%
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Less unamortized deferred financing fees [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Notes payable, carrying amount	$ 100,000	$ 100,000
Estimate of Fair Value, Fair Value Disclosure [Member] | Less unamortized deferred financing fees [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Notes payable, fair value disclosure	$ 98,000	102,100
Adjustments for New Accounting Pronouncement [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Unamortized debt issuance cost		$ 1,125