Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Accrued Liabilities

Schedule of accrued liabilities

Accrued liabilities as of December 31, 2019 and June 30, 2020 consisted of the following items:

			(Unaudited)
	December 31,		June 30,
(in thousands)	2019		2020
Capital expenditures	$	27,427		16,284
Operating expenses		24,980		9,839
Interest expense		44,440		40,524
Other		7,341		5,637
Total accrued liabilities	$	104,188		72,284