Contractual Obligations and Commitments (Tables)

3 Months Ended

Mar. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Summary of Other Information related to Operating Leases

Other information related to our operating leases were as follows (dollar amounts in thousands):

	At March 31, 2019
Right-of-use operating lease assets	$	11,602
Operating lease liabilities (1)	$	16,324
Weighted average remaining lease term	9.5 years
Weighted average discount rate		8	%

(1) Current portion of $1.3 million included in other current liabilities and the difference of $15 million included in long-term portion of lease liabilities on our condensed consolidated balance sheet.

Summary of Annual Maturities of Operating Lease Liabilities

Annual maturities of our operating lease liabilities as of March 31, 2019 are as follows (in thousands):

	Operating Leases
Remainder of 2019 Years ended December 31,	$	1,921
2020		2,422
2021		2,370
2022		2,403
2023		2,400
Thereafter		11,961
Total minimum lease payments	$	23,477
Less:
Imputed interest		(7,153	)
Total operating lease liability	$	16,324

Summary of Purchase Commitments

The following table summarizes the purchase commitments as of March 31, 2019 (in thousands):

	Payments due by period
Year Ending December 31,	Total		Less than 1 year		1 to 2 years
Purchase commitments		7,173		5,811		1,362
Total	$	7,173	$	5,811	$	1,362