CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred shares, nominal value (in usd per share)	$ 0.01	$ 0.01
Preferred shares, shares authorized (in shares)	50,000,000	50,000,000
Preferred shares, shares issued (in shares)	488,000	488,000
Preferred shares, shares outstanding (in shares)	488,000	488,000
Ordinary shares, nominal value (in usd per share)	$ 0.01	$ 0.01
Ordinary shares, shares authorized (in shares)	500,000,000	500,000,000
Ordinary shares, shares issued (in shares)	58,488,000	58,396,000
Ordinary shares, shares outstanding (in shares)	58,488,000	58,396,000