Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation	$ 4,400,000	$ 3,900,000
Amortization expense of capitalized software	600,000	600,000
Goodwill	35,176,000	20,923,000	$ 20,079,000
Impairment of long-lived assets	$ 0	$ 0
Shares paid for tax withholding for share based compensation (in shares)	32,682	64,252
Cost of treasury stock repurchased	$ 3,254,000	$ 4,527,000
Treasury stock acquired (in shares)	47,504	32,362
Treasury Stock
Property, Plant and Equipment [Line Items]
Cost of treasury stock repurchased	$ 3,254,000	$ 4,527,000
Trade names
Property, Plant and Equipment [Line Items]
Weighted average amortization period (in years)	12 years
Customer relationships
Property, Plant and Equipment [Line Items]
Weighted average amortization period (in years)	11 years
Minimum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	20 years
Minimum | Machinery and equipment, furniture and fixtures, and vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Minimum | Capitalized software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Maximum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	40 years
Maximum | Machinery and equipment, furniture and fixtures, and vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	10 years
Maximum | Capitalized software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	5 years