Long-Term Debt, Interest Rate Swap and Capitalized Lease Obligations - Schedule of Deferred Loan Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Write-off of deferred financing costs	$ 267	$ 0	$ 351
Amended and restated credit agreement
Debt Instrument [Line Items]
Write-off of deferred financing costs	267	0
Deferred financing costs capitalized	$ 146	$ 195