Schedule I Condensed Balance Sheet (Parenthetical) (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Common Stock, Value, Issued	$ 807	$ 744
Common Stock, Shares, Issued	80,687,757	74,376,025
Designated Common Stock [Member]
Class of Stock [Line Items]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	294,000,000	294,000,000
Undesignated Common Stock [Member]
Class of Stock [Line Items]
Common Stock, Value, Issued	$ 0	$ 0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	6,000,000	6,000,000
Triton International Limited Holdings [Domain]
Class of Stock [Line Items]
Common Stock, Value, Issued	$ 807	$ 744
Triton International Limited Holdings [Domain] | Undesignated Common Stock [Member]
Class of Stock [Line Items]
Common Stock, Value, Issued	$ 0	$ 0