Accounts Payable, Accrued Expenses and Other Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Accounts Payable, Accrued Expenses and Other Liabilities [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

Accounts payable, accrued expenses and other liabilities consisted of the following:

	September 30, 2019		December 31, 2018
	(in thousands)
Accounts payable	$	19,485	$	11,765
Accrued employee compensation		19,343		20,335
Accrued contracted services		66,231		54,681
Other liabilities		22,021		18,328
Operating lease liabilities		6,215		—
Accounts payable, accrued expenses and other liabilities	$	133,295	$	105,109