Income Taxes	6 Months Ended
Jun. 30, 2019
Income Taxes [Abstract]
Income Taxes	18. INCOME TAXES The Company is domiciled in Bermuda and has significant subsidiaries and/or branches in Canada, Ireland, Singapore, Switzerland, the United Kingdom, and the United States. The Company’s Bermuda domiciled subsidiaries are exempt from income taxation under Bermuda law until 2035. The Company’s non-Bermudian subsidiaries and branches are subject to income taxation at varying rates in their respective domiciles. The Company generally applies the estimated Annualized Effective Tax Rate (“AETR”) approach for calculating its tax provision for interim periods as prescribed by ASC 740-270, Interim Reporting. Under the AETR approach, the estimated annualized effective tax rate is applied to the interim year-to-date pre-tax income/loss to determine the income tax expense or benefit for the year-to-date period. If the AETR approach produces a year-to-date tax benefit which exceeds the amount which is estimated to be recoverable for the full year, then the tax benefit for the interim reporting period will be limited as prescribed under ASC 740-270 to the estimated recoverable based on the year-to-date result. The tax expense or benefit for the quarter represents the difference between the year-to-date tax expense or benefit for the current year-to-date period less such amount for the immediately preceding year-to-date period. Management considers the impact of all known events in its estimation of the Company’s annual pre-tax income/loss and annualized effective tax rate.

Income Taxes

6 Months Ended

Jun. 30, 2019

18. INCOME TAXES

The Company is domiciled in Bermuda and has significant subsidiaries and/or branches in Canada, Ireland, Singapore, Switzerland, the United Kingdom, and the United States. The Company’s Bermuda domiciled subsidiaries are exempt from income taxation under Bermuda law until 2035. The Company’s non-Bermudian subsidiaries and branches are subject to income taxation at varying rates in their respective domiciles.

The Company generally applies the estimated Annualized Effective Tax Rate (“AETR”) approach for calculating its tax provision for interim periods as prescribed by ASC 740-270, Interim Reporting. Under the AETR approach, the estimated annualized effective tax rate is applied to the interim year-to-date pre-tax income/loss to determine the income tax expense or benefit for the year-to-date period. If the AETR approach produces a year-to-date tax benefit which exceeds the amount which is estimated to be recoverable for the full year, then the tax benefit for the interim reporting period will be limited as prescribed under ASC 740-270 to the estimated recoverable based on the year-to-date result. The tax expense or benefit for the quarter represents the difference between the year-to-date tax expense or benefit for the current year-to-date period less such amount for the immediately preceding year-to-date period. Management considers the impact of all known events in its estimation of the Company’s annual pre-tax income/loss and annualized effective tax rate.