Fair Value Disclosures - Contingent Consideration Liability Change in Amount (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition, Contingent Consideration [Line Items]
Beginning Balance	$ 903
Contingent Consideration from New Acquisition	454	842
Payment of Contingent Consideration
Adjustment of Contingent Consideration	(856)	61
Ending Balance	501	903
Javers Group [Member]
Business Acquisition, Contingent Consideration [Line Items]
Beginning Balance	903
Contingent Consideration from New Acquisition		842
Payment of Contingent Consideration
Adjustment of Contingent Consideration	(903)	61
Ending Balance		903
John T. Fretz Insurance Agency, Inc. [Member]
Business Acquisition, Contingent Consideration [Line Items]
Beginning Balance
Contingent Consideration from New Acquisition	454
Payment of Contingent Consideration
Adjustment of Contingent Consideration	47
Ending Balance	$ 501