Condensed Financial Information of Hudson Valley Holding Corp. - Schedule of Condensed Statement of Income (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Income Statements, Captions [Line Items]
Operating expenses	$ 914	$ 1,219	$ 1,265
Net Income (Loss)	1,130	29,181	(2,137)
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Dividends from subsidiaries	4,685	7,040	5
Dividends from equity securities	50	105	76
Other income			2
Operating expenses	553	619	699
Income (loss) before equity in undistributed earnings of subsidiaries	4,182	6,526	(616)
Equity in undistributed earnings of subsidiaries	(3,052)	22,655	(1,521)
Net Income (Loss)	$ 1,130	$ 29,181	$ (2,137)