Fair Value of Financial Instruments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) Letter Contract	Dec. 31, 2019 USD ($)
Performance Bond [Abstract]
Number of standby letters of credit | Letter	4
Letter of credit and surety bonds	$ 1,200
Number of contracts | Contract	4
Assets and Liabilities Measured at Fair Value [Abstract]
Money market funds	$ 434	$ 434
Foreign exchange contracts		49
Total assets	434	483
Liability awards	(3)	(9)
Interest rate swap contract	(257)	(160)
Total liabilities	(260)	(169)
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets and Liabilities Measured at Fair Value [Abstract]
Money market funds	434	434
Foreign exchange contracts		0
Total assets	434	434
Liability awards	0	0
Interest rate swap contract	0	0
Total liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets and Liabilities Measured at Fair Value [Abstract]
Money market funds	0	0
Foreign exchange contracts		49
Total assets	0	49
Liability awards	(3)	(9)
Interest rate swap contract	(257)	(160)
Total liabilities	(260)	(169)
Significant Unobservable Inputs (Level 3) [Member]
Assets and Liabilities Measured at Fair Value [Abstract]
Money market funds	0	0
Foreign exchange contracts		0
Total assets	0	0
Liability awards	0	0
Interest rate swap contract	0	0
Total liabilities	$ 0	$ 0