Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Common stock, par value (in usd per share)		$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)		350,000,000	350,000,000
Common stock, shares outstanding (in shares)		99,312,237	94,261,414
Common stock, shares issued (in shares)		99,312,237	94,261,414
Assets	[1]	$ 1,277,536	$ 962,535
Liabilities	[1]	112,547	114,542
Variable Interest Entity
Assets		38,400	45,100
Liabilities		$ 4,000	$ 5,700

[1] As of June 30, 2020 and December 31, 2019, includes $38.4 million and $45.1 million of assets, respectively, that can be used only to settle obligations of the consolidated variable interest entity (“VIE”) and VIE’s subsidiaries, and $4.0 million and $5.7 million of liabilities of the consolidated VIE and VIE’s subsidiaries, respectively, for which their creditors do not have recourse to the general credit of the Company. See Note 3, Investment in Joint Venture.