Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2019

Our lease expense comprises of the following (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Operating lease expense	$	1,789	$	821	$	5,274	$	2,212

The balance sheet classification of our operating lease liabilities was as follows (in thousands):

	September 30, 2019		December 31, 2018
Operating lease liabilities:
Current portion of lease liabilities (included in other current liabilities)	$	3,058	$	-
Long-term portion of lease liabilities		36,964		-
Total operating lease liabilities	$	40,022	$	-

At September 30, 2019, the maturities of our sublease income and operating lease liabilities were as follows (in thousands):

Years ending December 31,	Sublease Income		Operating Lease Liabilities
2019 (remaining)	$	-	$	1,723
2020		4,446		7,007
2021		5,202		6,935
2022		5,358		6,185
2023		5,519		4,946
Thereafter		45,285		39,523
Total	$	65,810		66,319
Less:
Present value adjustment				(26,297	)
Total			$	40,022