Condensed Financial Information of Hudson Valley Holding Corp. - Schedule of Condensed Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Other assets	$ 6,340	$ 8,937
Total Assets	2,999,199	2,891,246
Liabilities and Stockholders' Equity
Stockholders' equity	284,309	290,971	277,562	289,917
Total Liabilities and Stockholders' Equity	2,999,199	2,891,246
Parent Company [Member]
ASSETS
Due from banks	1,381	975
Investment in subsidiaries	282,072	289,427
Equity securities	1,223	952
Other assets	71	27
Total Assets	284,747	291,381
Liabilities and Stockholders' Equity
Other liabilities	438	410
Stockholders' equity	284,309	290,971
Total Liabilities and Stockholders' Equity	$ 284,747	$ 291,381