Investments in Affiliated Companies - Summary of Statements of Financial Condition (Detail) (Subsidiaries [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Investment In Affiliates [Line Items]
Assets - investment in subordinated debentures issued by HopFed Bancorp, Inc.	$ 10,310	$ 10,310
Liabilities
Total stockholders' equity	10,310	10,310
Trust Preferred Securities [Member]
Investment In Affiliates [Line Items]
Total stockholders' equity	10,000	10,000
Common Stock [Member]
Investment In Affiliates [Line Items]
Total stockholders' equity	$ 310	$ 310