Investments in Affiliated Companies - Summary of Statement of Stockholders' Equity (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended						3 Months Ended					3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Common Stock [Member]	Dec. 31, 2013 Common Stock [Member]	Mar. 31, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Mar. 31, 2014 Retained Earnings [Member]	Mar. 31, 2013 Retained Earnings [Member]	Mar. 31, 2014 Subsidiaries [Member]	Mar. 31, 2014 Subsidiaries [Member] Common Stock [Member]	Dec. 31, 2013 Subsidiaries [Member] Common Stock [Member]	Mar. 31, 2014 Subsidiaries [Member] Retained Earnings [Member]	Mar. 31, 2014 Subsidiaries [Member] Trust Preferred Securities [Member]	Dec. 31, 2013 Subsidiaries [Member] Trust Preferred Securities [Member]
Schedule Of Investments In Equity Method Affiliates [Line Items]
Beginning balance	$ 95,717	$ 104,999	$ 79	$ 79	$ 79	$ 79	$ 44,694	$ 41,829	$ 10,310	$ 310	$ 310		$ 10,000	$ 10,000
Net income	354	984					354	984	86			86
Dividends:
Trust preferred securities									(83)			(83)
Common paid to HopFed Bancorp, Inc.									(3)			(3)
Ending balance	$ 97,513	$ 104,086	$ 79	$ 79	$ 79	$ 79	$ 44,753	$ 42,663	$ 10,310	$ 310	$ 310		$ 10,000	$ 10,000