Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Accounts Payable and Accrued Expenses

Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consisted of the following (in thousands): 

	December 31,
	2019		2018
Trade accounts payable	$	37,792	$	40,969
Accrued salaries, vacation and benefits	22,322		21,550
Other accrued expenses	28,517		28,372
Accrued contingent consideration	—		594
Negative cash book balance	3,701		1,769
	$	92,332	$	93,254