Parent Company Only (Tables)

12 Months Ended

Dec. 31, 2012

Parent Company Only [Abstract]

Schedule of Condensed Balance Sheet [Table Text Block]

CONDENSED BALANCE SHEET	December 31,
(In Thousands)	2012	2011
ASSETS
Cash	$1,895	$1,361
Investment in subsidiaries:
Citizens & Northern Bank	168,542	154,473
Citizens & Northern Investment Corporation	9,081	8,289
Bucktail Life Insurance Company	3,267	3,139
Other assets	7	123
TOTAL ASSETS	$182,792	$167,385
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities	$6	$0
Stockholders' equity	182,786	167,385
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$182,792	$167,385

Schedule of Condensed Income Statement [Table Text Block]

CONDENSED INCOME STATEMENT
(In Thousands)	2012	2011	2010
Dividends from Citizens & Northern Bank	$9,245	$7,856	$31,170
Dividends from non-bank subsidiaries	0	0	3
Other income	0	0	10
Expenses	(105)	(94)	(188)
Income before equity in undistributed income
of subsidiaries	9,140	7,762	30,995
Equity in undistributed income of subsidiaries	13,565	15,606	(11,940)
NET INCOME	$22,705	$23,368	$19,055

Schedule of Condensed Cash Flow Statement [Table Text Block]

CONDENSED STATEMENT OF CASH FLOWS
(In Thousands)	2012	2011	2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$22,705	$23,368	$19,055
Adjustments to reconcile net income to net
cash provided by operating activities:
Equity in undistributed net income of subsidiaries	(13,565)	(15,606)	11,940
Decrease (increase) in other assets	116	11	(55)
Increase (decrease) in other liabilities	6	(62)	(6)
Net Cash Provided by Operating Activities	9,262	7,711	30,934
CASH FLOWS FROM  INVESTING ACTIVITIES,
Proceeds from merger with Canisteo Valley Corporation	0	0	47
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of treasury stock	229	71	0
Tax benefit from compensation plans, net	104	67	40
Purchase of treasury stock	0	(1,022)	0
Payment to repurchase preferred stock and warrant	0	0	(26,840)
Dividends paid	(9,061)	(6,224)	(5,249)
Net Cash Used in Financing Activities	(8,728)	(7,108)	(32,049)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	534	603	(1,068)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	1,361	758	1,826
CASH AND CASH EQUIVALENTS, END OF YEAR	$1,895	$1,361	$758