Note 2 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Marketable Securities [Table Text Block]

September 30, 2018	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies Mortgage-Backed	$	326,676	$	52	$	(15,550	)	$	311,178
State, County & Municipal		4,024		4		(56	)		3,972
Corporate Bonds		2,956		-		(74	)		2,882
	$	333,656	$	56	$	(15,680	)	$	318,032

December 31, 2017	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies Mortgage-Backed	$	354,931	$	258	$	(8,466	)	$	346,723
State, County & Municipal		4,493		23		(23	)		4,493
Corporate Bonds		2,048		12		-			2,060
Asset-Backed		993		-		(22	)		971
	$	362,465	$	293	$	(8,511	)	$	354,247

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities
	Available for Sale
	Amortized Cost		Fair Value
Due In One Year or Less	$	358	$	356
Due After One Year Through Five Years		4,311		4,232
Due After Five Years Through Ten Years		1,134		1,136
Due After Ten Years		1,177		1,130
	$	6,980	$	6,854
Mortgage-Backed Securities		326,676		311,178
	$	333,656	$	318,032

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less Than 12 Months					12 Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Losses			Value		Losses			Value		Losses
September 30, 2018
U. S. Government Agencies Mortgage-Backed	$	96,095	$	(3,370	)	$	209,451	$	(12,180	)	$	305,546	$	(15,550	)
State, County and Municipal		2,498		(21	)		1,258		(35	)		3,756		(56	)
Corporate Bonds		2,000		(35	)		882		(39	)		2,882		(74	)
	$	100,593	$	(3,426	)	$	211,591	$	(12,254	)	$	312,184	$	(15,680	)
December 31. 2017
U.S. Government Agencies Mortgage-Backed	$	120,139	$	(1,655	)	$	190,196	$	(6,811	)	$	310,335	$	(8,466	)
State, County and Municipal		2,598		(23	)		-		-			2,598		(23	)
Asset-Backed		971		(22	)		-		-			971		(22	)
	$	123,708	$	(1,700	)	$	190,196	$	(6,811	)	$	313,904	$	(8,511	)