Annual report pursuant to Section 13 and 15(d)

Acquisitions and Recent Transactions - Pending Transactions -Additional Information (Detail)

v3.19.1
Acquisitions and Recent Transactions - Pending Transactions -Additional Information (Detail)
$ in Millions
Mar. 01, 2017
USD ($)
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]  
Business combination, liabilities arising from contingencies, amount recognized $ 0.5
Term of time brokerage agreement 24 months