Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Significant Unobservable Inputs (Level 3)
Assets/(Liabilities) Measured at Fair Value:
Contingent consideration liability	$ (187)	$ (191)
Recurring Basis
Assets/(Liabilities) Measured at Fair Value:
Contingent consideration liability	(187)	(191)
Recurring Basis | Interest Rate Swap
Assets/(Liabilities) Measured at Fair Value:
Interest rate swap derivative instrument	900	479
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets/(Liabilities) Measured at Fair Value:
Contingent consideration liability	0	0
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest Rate Swap
Assets/(Liabilities) Measured at Fair Value:
Interest rate swap derivative instrument	0	0
Recurring Basis | Significant Other Observable Inputs (Level 2)
Assets/(Liabilities) Measured at Fair Value:
Contingent consideration liability	0	0
Recurring Basis | Significant Other Observable Inputs (Level 2) | Interest Rate Swap
Assets/(Liabilities) Measured at Fair Value:
Interest rate swap derivative instrument	900	479
Recurring Basis | Significant Unobservable Inputs (Level 3)
Assets/(Liabilities) Measured at Fair Value:
Contingent consideration liability	(187)	(191)
Recurring Basis | Significant Unobservable Inputs (Level 3) | Interest Rate Swap
Assets/(Liabilities) Measured at Fair Value:
Interest rate swap derivative instrument	$ 0	$ 0