Note 21 - Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure Text Block [Abstract]

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

	March 31, 2015
	Ratio			Amount		"Adequately-capitalized" minimum			"Well-capitalized" minimum
Common equity Tier 1 capital
Company		14.37	%	$	134,204		4.5	%		6.5	%
Bank		14.36			134,045		4.5			6.5
Tier 1 risk-based capital
Company		14.37			134,204		6.0			8.0
Bank		14.36			134,045		6.0			8.0
Total risk-based capital
Company		15.63			145,972		8.0			10.0
Bank		15.62			145,810		8.0			10.0
Tier 1 leverage
Company		11.86			134,204		4.0			5.0
Bank		11.84			134,045		4.0			5.0
Risk-weighted assets
Company	n/a				933,659	n/a			n/a
Bank	n/a				933,594	n/a			n/a
Adjusted quarterly average total assets (1)
Company	n/a				1,131,677	n/a			n/a
Bank	n/a				1,131,723	n/a			n/a

	December 31, 2014
	Ratio			Amount		"Adequately-capitalized" minimum			"Well-capitalized" minimum
Common equity Tier 1 capital
Company	n/a			n/a		n/a			n/a
Bank	n/a			n/a		n/a			n/a
Tier 1 risk-based capital
Company		15.00	%	$	132,455		4.0	%		6.0	%
Bank		14.99			132,299		4.0			6.0
Total risk-based capital
Company		16.26			143,519		8.0			10.0
Bank		16.24			143,363		8.0			10.0
Tier 1 leverage
Company		12.15			132,455		4.0			5.0
Bank		12.13			132,299		4.0			5.0
Risk-weighted assets
Company	n/a				882,809	n/a			n/a
Bank	n/a				882,781	n/a			n/a
Adjusted quarterly average total assets (1)
Company	n/a				1,090,314	n/a			n/a
Bank	n/a				1,090,281	n/a			n/a