Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	$ 183,564	$ 164,048
Derivative assets
Total assets measured at fair value on a recurring basis	183,647	164,089
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	87,627	71,181
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
US Government Agencies Debt Securities [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	87,627	71,181
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	17,993	13,389
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
US States and Political Subdivisions Debt Securities [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	17,993	13,389
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	6,261	6,350
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Corporate Debt Securities [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	6,261	6,350
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	56,924	57,941
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	56,924	57,941
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	670	683
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	670	683
Asset-backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	147	143
Asset-backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Asset-backed Securities [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	147	143
CRA Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	13,942	14,361
CRA Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
CRA Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
CRA Funds [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	13,942	14,361
Derivative Interest Rate Cap (Member) | Fair Value, Inputs, Level 1 [Member]
Derivative assets
Derivative Assets	0	0
Derivative Interest Rate Cap (Member) | Fair Value, Inputs, Level 2 [Member]
Derivative assets
Derivative Assets	83	41
Derivative Interest Rate Cap (Member) | Fair Value, Inputs, Level 3 [Member]
Derivative assets
Derivative Assets	0	0
Derivative Interest Rate Cap (Member)
Derivative assets
Derivative Assets	83	41
Derivative Interest Rate Swap (Member) | Fair Value, Inputs, Level 1 [Member]
Derivative liabilities at June 30, 2013
Derivative Liabilities	0	0
Derivative Interest Rate Swap (Member) | Fair Value, Inputs, Level 2 [Member]
Derivative liabilities at June 30, 2013
Derivative Liabilities	(1,415)	(1,775)
Derivative Interest Rate Swap (Member) | Fair Value, Inputs, Level 3 [Member]
Derivative liabilities at June 30, 2013
Derivative Liabilities	0	0
Derivative Interest Rate Swap (Member)
Derivative liabilities at June 30, 2013
Derivative Liabilities	(1,415)	(1,775)
Fair Value, Inputs, Level 1 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	13,942	14,361
Derivative assets
Total assets measured at fair value on a recurring basis	13,942	14,361
Fair Value, Inputs, Level 2 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	169,622	149,687
Derivative assets
Total assets measured at fair value on a recurring basis	169,705	149,728
Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value (Details) - Financial Instruments Carried At Fair Value On A Recurring Basis By Caption On The Consolidated Balance Sheets And By Valuation Hierarchy [Line Items]
Securities Available-For-Sale	0	0
Derivative assets
Total assets measured at fair value on a recurring basis	$ 0	$ 0