Note 2 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Marketable Securities [Table Text Block]

June 30, 2018	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies
Mortgage-Backed	$	338,593	$	212	$	(13,809	)	$	324,996
State, County & Municipal		4,040		4		(55	)		3,989
Corporate Bonds		2,984		5		(36	)		2,953
	$	345,617	$	221	$	(13,900	)	$	331,938

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	$	361	$	360
Due After One Year Through Five Years		4,148		4,110
Due After Five Years Through Ten Years		1,314		1,310
Due After Ten Years		1,201		1,162
	$	7,024	$	6,942
Mortgage-Backed Securities		338,593		324,996
	$	345,617	$	331,938

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
June 30, 2018
U. S. Government Agencies
Mortgage-Backed	$	121,705	$	(3,542	)	$	193,486	$	(10,267	)	$	315,191	$	(13,809	)
State, County and Municipal		2,931		(22	)		843		(33	)		3,774		(55	)
Corporate Bonds		909		(36	)		-		-			909		(36	)
	$	125,545	$	(3,600	)	$	194,329	$	(10,300	)	$	319,874	$	(13,900	)
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	)