XML 20 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Credit Facility - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
6 Months Ended 0 Months Ended
Jun. 30, 2014
Mar. 28, 2011
Jun. 30, 2014
Lloyd's
Syndicate 1221
Nov. 22, 2012
Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]        
Line of credit facility   $ 165   $ 165
Issuance of new letters of credit, expiry date       Dec. 31, 2014
Aggregate face amount of letters of credit outstanding     153.2  
Cash collateral posted     $ 1.0  
Line of credit facility, covenant terms This credit facility contains customary covenants for facilities of this type, including restrictions on indebtedness and liens, limitations on mergers, dividends and the sale of assets, and requirements as to maintaining certain consolidated tangible net worth, statutory surplus and other financial ratios. The credit facility also provides for customary events of default, including failure to pay principal, interest or fees when due, failure to comply with covenants, any representation or warranty made by the Company being false in any material respect, default under certain other indebtedness, certain insolvency or receivership events affecting the Company and its subsidiaries, the occurrence of certain material judgments, or a change in control of the Company.      
Line of credit facility, covenant compliance The Company was in compliance with all covenants under the credit facility as of June 30, 2014.