Note 18 - Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

(Dollars in Thousands)	Actual					Minimum Capital Requirement					Minimum To Maintain Capital Conservation Buffer at Reporting Date				Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions				Minimum To Meet the Corporation's Policy Thresholds
	Amount		Ratio			Amount		Ratio			Amount Ratio				Amount Ratio				Amount Ratio
December 31 , 2016:
Total capital to risk-weighted assets:
Consolidated	$	183,597		23.60	%	$	62,245		> 8	%	$	67,108	> 8.625	%	$	77,806	> 10	%	$	81,697	> 10.5	%
C&N Bank		162,705		21.03	%		61,894		> 8	%		66,730	> 8.625	%		77,368	> 10	%		81,236	> 10.5	%
Tier 1 capital to risk-weighted assets:
Consolidated		174,928		22.48	%		31,122		> 6	%		51,547	> 6.625	%		62,245	> 8	%		66,135	> 8.5	%
C&N Bank		154,036		19.91	%		30,947		> 6	%		51,256	> 6.625	%		61,894	> 8	%		65,762	> 8.5	%
Common equity tier 1 capital to risk-weighted assets:
Consolidated		174,928		22.48	%		31,122		> 4.5	%		39,876	> 5.125	%		50,574	> 6.5	%		54,464	> 7	%
C&N Bank		154,036		19.91	%		30,947		> 4.5	%		39,651	> 5.125	%		50,289	> 6.5	%		54,157	> 7	%
Tier 1 capital to average assets:
Consolidated		174,928		14.27	%		49,026		> 4	%		N/A	N/A			61,282	> 5	%		61,282	> 5	%
C&N Bank		154,036		12.73	%		48,404		> 4	%		N/A	N/A			60,506	> 5	%		60,506	> 5	%
December 31, 2015:
Total capital to risk-weighted assets:
Consolidated	$	181,216		24.40	%	$	59,424		> 8	%		N/A	N/A		$	74,281	> 10	%	$	77,995	> 10.5	%
C&N Bank		161,187		21.83	%		59,058		> 8	%		N/A	N/A			73,823	> 10	%		77,514	> 10.5	%
Tier 1 capital to risk-weighted assets:
Consolidated		173,009		23.29	%		29,712		> 6	%		N/A	N/A			59,424	> 8	%		63,139	> 8.5	%
C&N Bank		153,298		20.77	%		29,529		> 6	%		N/A	N/A			59,058	> 8	%		62,749	> 8.5	%
Common equity tier 1 capital to risk-weighted assets:
Consolidated		173,009		23.29	%		29,712		> 4.5	%		N/A	N/A			48,282	> 6.5	%		51,996	> 7	%
C&N Bank		153,298		20.77	%		29,529		> 4.5	%		N/A	N/A			47,985	> 6.5	%		51,676	> 7	%
Tier 1 capital to average assets:
Consolidated		173,009		14.31	%		48,355		> 4	%		N/A	N/A			60,444	> 5	%		60,444	> 5	%
C&N Bank		153,298		12.81	%		47,861		> 4	%		N/A	N/A			59,826	> 5	%		59,826	> 5	%

Regulatory Capital Requirements Under Banking Regulations Transition Schedule for New Ratios [Table Text Block]

	As of January 1:
	2015			2016			2017			2018			2019
Minimum common equity tier 1 capital ratio		4.5	%		4.5	%		4.5	%		4.5	%		4.5	%
Common equity tier 1 capital conservation buffer		N/A			0.625	%		1.25	%		1.875	%		2.5	%
Minimum common equity tier 1 capital ratio plus capital conservation buffer		4.5	%		5.125	%		5.75	%		6.375	%		7.0	%
Phase-in of most deductions from common equity tier 1 capital		40	%		60	%		80	%		100	%		100	%
Minimum tier 1 capital ratio		6.0	%		6.0	%		6.0	%		6.0	%		6.0	%
Minimum tier 1 capital ratio plus capital conservation buffer		N/A			6.625	%		7.25	%		7.875	%		8.5	%
Minimum total capital ratio		8.0	%		8.0	%		8.0	%		8.0	%		8.0	%
Minimum total capital ratio plus capital conservation buffer		N/A			8.625	%		9.25	%		9.875	%		10.5	%

Regulatory Capital Requirements Payout Restrictions Based on Capital Conservation Buffer [Table Text Block]

Capital Conservation Buffer	Maximum Payout
(as a % of risk-weighted assets)	(as a % of eligible retained income)
Greater than 2.5%	No payout limitation applies
≤2.5% and >1.875%		60	%
≤1.875% and >1.25%		40	%
≤1.25% and >0.625%		20	%
≤0.625%		0	%