Note 9 - Qualified Affordable Housing Partnership Investments (Details) - Original Investment in LIHTC Projects - USD ($) $ in Thousands		3 Months Ended			12 Months Ended
		Mar. 31, 2016		Mar. 31, 2015	Dec. 31, 2015
Note 9 - Qualified Affordable Housing Partnership Investments (Details) - Original Investment in LIHTC Projects [Line Items]
Original Investment		$ 7,954			$ 7,954
Current Recorded Investment		4,634			4,815
Unfunded Liability Obligation		1,004			1,182
Tax Credits and Benefits	[1]	212			837
Amortization of Investments		180	[2]	$ 178	714	[2]
Net Income Tax Benefit		32			123
Raymond James California Housing Opportunities Fund II [Member]
Note 9 - Qualified Affordable Housing Partnership Investments (Details) - Original Investment in LIHTC Projects [Line Items]
Original Investment		2,000			2,000
Current Recorded Investment		1,508			1,553
Unfunded Liability Obligation		235			406
Tax Credits and Benefits	[1]	56			226
Amortization of Investments	[2]	45			184
Net Income Tax Benefit		11			42
WNC Institutional Tax Credit Fun 38, L.P. [Member]
Note 9 - Qualified Affordable Housing Partnership Investments (Details) - Original Investment in LIHTC Projects [Line Items]
Original Investment		1,000			1,000
Current Recorded Investment		771			797
Unfunded Liability Obligation		159			166
Tax Credits and Benefits	[1]	35			126
Amortization of Investments	[2]	26			93
Net Income Tax Benefit		9			33
Merritt Community Capital Corporation Fund XV, L.P. [Member]
Note 9 - Qualified Affordable Housing Partnership Investments (Details) - Original Investment in LIHTC Projects [Line Items]
Original Investment		2,500			2,500
Current Recorded Investment		1,762			1,820
Unfunded Liability Obligation		610			610
Tax Credits and Benefits	[1]	69			278
Amortization of Investments	[2]	57			230
Net Income Tax Benefit		12			48
California Affordable Housing Fund [Member]
Note 9 - Qualified Affordable Housing Partnership Investments (Details) - Original Investment in LIHTC Projects [Line Items]
Original Investment		2,454			2,454
Current Recorded Investment		593			645
Tax Credits and Benefits	[1]	52			207
Amortization of Investments	[2]	$ 52			$ 207

[1] The amounts reflected in this column represent both the tax credits, and estimated tax benefits generated by the Qualified Affordable Housing partnershipsoperating loss for the year.

[2] This amount reduces the tax credits and benefits generated by the Qualified Affordable Housing partnerships.