CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts receivable, allowance for credit loss	$ 0	$ 1,069,000
Common stock, par value (in usd per share)	$ 0.00001	$ 0.01
Ordinary shares, shares outstanding (in shares)	60,168	251,084
Noble Finance Company
Accounts receivable, allowance for credit loss	$ 0	$ 1,069,000
Common stock, par value (in usd per share)	$ 0.10	$ 0.10
Ordinary shares, shares outstanding (in shares)	261,246	261,246