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Description of Business and Summary of Significant Accounting Policies, Segment Information (Details) - USD ($) $ 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
Disaggregation of Revenue [Abstract]
Net sales		$ 208,968	$ 210,547	$ 198,775	$ 199,442	$ 214,962	$ 207,647	$ 196,829	$ 200,427	$ 817,733	$ 819,866	$ 821,571
Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										100.00%	100.00%	100.00%
Case Goods [Member]
Disaggregation of Revenue [Abstract]
Net sales										$ 296,731	$ 301,314	$ 309,164
Case Goods [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										36.30%	36.70%	37.60%
Bedroom Furniture [Member]
Disaggregation of Revenue [Abstract]
Net sales										$ 131,673	$ 132,484	$ 132,250
Bedroom Furniture [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										16.10%	16.20%	16.10%
Dining Room Furniture [Member]
Disaggregation of Revenue [Abstract]
Net sales										$ 92,865	$ 92,921	$ 94,918
Dining Room Furniture [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										11.40%	11.30%	11.50%
Occasional [Member]
Disaggregation of Revenue [Abstract]
Net sales										$ 72,193	$ 75,909	$ 81,996
Occasional [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										8.80%	9.20%	10.00%
Upholstery [Member]
Disaggregation of Revenue [Abstract]
Net sales										$ 326,114	$ 330,340	$ 328,903
Upholstery [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										39.90%	40.30%	40.00%
Mattresses [Member]
Disaggregation of Revenue [Abstract]
Net sales										$ 85,055	$ 88,311	$ 86,659
Mattresses [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales										10.40%	10.80%	10.60%
Accessories and Other [Member]
Disaggregation of Revenue [Abstract]
Net sales	[1]									$ 109,833	$ 99,901	$ 96,845
Accessories and Other [Member] | Net Sales [Member]
Disaggregation of Revenue [Abstract]
Percentage of net sales	[1]									13.40%	12.20%	11.80%
[1] Includes delivery charges and product protection.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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