Business Combinations - Shares by Type (Details) - shares	Mar. 15, 2019	Mar. 14, 2019	Mar. 31, 2020	Dec. 31, 2019	Mar. 14, 2018
Business acquisition
Total Outstanding Shares of Common Stock Outstanding			100,923,993	100,840,162
Total Outstanding Shares of Common Stock issued	105,232,933		105,338,760	105,254,929
Less: Founders shares in escrow	(5,015,898)		(5,015,898)
Total Shares of Common Stock outstanding for earnings per share computation (see Note 20)	100,217,035
PIPE investors
Business acquisition
Total Outstanding Shares of Common Stock issued	8,000,000
Platinum Eagle And PIPE Investor
Business acquisition
Total Outstanding Shares of Common Stock issued	30,446,606
Algeco Sellers
Business acquisition
Shares issued to the Sellers	74,786,327
Founder Shares
Business acquisition
Total Outstanding Shares of Common Stock issued	8,050,000
Former Director Shares
Business acquisition
Total Outstanding Shares of Common Stock issued	75,000
Class A ordinary share
Business acquisition
Total Outstanding Shares of Common Stock Outstanding	14,321,606	32,500,000			32,500,000
Less: Redemption of Platinum Eagle Class A Shares	(18,178,394)
Class A ordinary share | Target Parent and Arrow Parent
Business acquisition
Less: Redemption of Platinum Eagle Class A Shares		(18,178,394)