Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Accounts receivable allowance for credit losses	$ 4,850	$ 5,201
Related party receivable, allowance for credit losses	2,312	2,312
Current liabilities
Deferred revenue, related party	4,144	5,697
Current portion of long-term debt, related party	421	31,670
Long-term debt, net of current portion, related party	193,801	186,321
Deferred revenue, net of current portion, related party	$ 30,015	$ 48,136
Shareholders' equity
Common stock, no par value (in usd per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	178,704,151	163,274,880
Common stock, shares outstanding (in shares)	178,704,151	163,274,880
Related Parties, Aggregated
Current liabilities
Deferred revenue, related party	$ 0	$ 877
Current portion of long-term debt, related party	0	31,211
Long-term debt, net of current portion, related party	25,000	25,000
Deferred revenue, net of current portion, related party	$ 28,197	$ 30,182