Correction to Previously Issued Consolidated Financial Statements - Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts receivable net		$ 12,742
Total current assets	$ 48,386	59,131
Total assets	190,892	184,585
Accrued expenses	9,842	8,101
Total current liabilities	32,612	18,696
Total liabilities	172,471	139,832
Total liabilities and stockholders' equity	$ 190,892	184,585
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts receivable net		18,143
Total current assets		64,532
Total assets		189,986
Accrued expenses		13,502
Total current liabilities		24,097
Total liabilities		145,233
Total liabilities and stockholders' equity		189,986
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts receivable net		(5,401)
Total current assets		(5,401)
Total assets		(5,401)
Accrued expenses		(5,401)
Total current liabilities		(5,401)
Total liabilities		(5,401)
Total liabilities and stockholders' equity		$ (5,401)