Note 14 - Regulatory Capital (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure Text Block [Abstract]

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

(Dollars in thousands)	Amount		Percent of Assets
Tier I (leverage) capital:
Capital level	$	453,127		9.56	%
Requirement to be well capitalized		236,932		5.00
Excess		216,195		4.56
Tier I risk-based capital:
Capital level	$	453,127		14.31	%
Requirement to be well capitalized		190,026		6.00
Excess		263,101		8.31
Total risk-based capital:
Capital level	$	483,397		15.26	%
Requirement to be well capitalized		316,710		10.00
Excess		166,687		5.26

(Dollars in thousands)	Amount		Percent of Assets
Tier I (leverage) capital:
Capital level	$	466,356		9.86	%
Requirement to be well capitalized		236,575		5.00
Excess		229,781		4.86
Tier I risk-based capital:
Capital level	$	466,356		14.75	%
Requirement to be well capitalized		189,646		6.00
Excess		276,710		8.75
Total risk-based capital:
Capital level	$	496,626		15.71	%
Requirement to be well capitalized		316,077		10.00
Excess		180,549		5.71