Note 25 - Qualified Affordable Housing Partnership Investments - Original Investment in LIHTC Projects (Details) - USD ($) $ in Thousands	12 Months Ended		24 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2015
Original Investment	$ 7,954	$ 7,954	$ 7,954
Current Recorded Investment	4,217	4,815	4,815
Unfunded Liability Obligation	485	1,182	1,182
Tax Credits and Benefits	843	837
Amortization of Investments	598	714	903
Net Income Tax Benefit	245	123
Raymond James California Housing Opportunities Fund II [Member]
Original Investment	2,000	2,000	2,000
Current Recorded Investment	1,361	1,553	1,553
Unfunded Liability Obligation	45	406	406
Tax Credits and Benefits	227	226
Amortization of Investments	192	184
Net Income Tax Benefit	35	42
WNC Institutional Tax Credit Fun 38 L.P. [Member]
Original Investment	1,000	1,000	1,000
Current Recorded Investment	698	797	797
Unfunded Liability Obligation	73	166	166
Tax Credits and Benefits	140	126
Amortization of Investments	100	93
Net Income Tax Benefit	40	33
Merritt Community Capital Corporation Fund XV, L.P. [Member]
Original Investment	2,500	2,500	2,500
Current Recorded Investment	1,713	1,820	1,820
Unfunded Liability Obligation	367	610	610
Tax Credits and Benefits	274	278
Amortization of Investments	106	230
Net Income Tax Benefit	168	48
California Affordable Housing Fund [Member]
Original Investment	2,454	2,454	2,454
Current Recorded Investment	445	645	645
Unfunded Liability Obligation
Tax Credits and Benefits	202	207
Amortization of Investments	200	207
Net Income Tax Benefit	$ 2