Reinsurance - Schedule of the Amounts Recoverable from Reinsurers (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Unpaid losses recoverable:
Case basis	$ 37,207	$ 34,196
Incurred but not reported	27,651	25,138
Paid losses recoverable	414	424
Experience-rated commissions recoverable	25,805	26,130
Total reinsurance recoverables	$ 91,077	$ 85,888