Note 2 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Marketable Securities [Table Text Block]

September 30, 2017	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies
Mortgage-Backed	$	336,376	$	368	$	(6,086	)	$	330,658
State, County & Municipal		4,527		37		(25	)		4,539
Corporate Bonds		2,052		8		-			2,060
Asset Backed		1,016		-		(24	)		992
	$	343,971	$	413	$	(6,135	)	$	338,249

December 31, 2016	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies
Mortgage-Backed	$	326,694	$	76	$	(7,673	)	$	319,097
State, County & Municipal		4,573		18		(30	)		4,561
	$	331,267	$	94	$	(7,703	)	$	323,658

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities
	Available for Sale
	Amortized Cost		Fair Value
Due In One Year or Less	$	318	$	320
Due After One Year Through Five Years		4,690		4,682
Due After Five Years Through Ten Years		878		899
Due After Ten Years		1,709		1,690
	$	7,595	$	7,591
Mortgage-Backed Securities		336,376		330,658
	$	343,971	$	338,249

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, 2017
U. S. Government Agencies
Mortgage-Backed	$	136,825	$	(1,973	)	$	126,175	$	(4,113	)	$	263,000	$	(6,086	)
State, County and Municipal		1,423		(25	)		-		-			1,423		(25	)
Asset Backed		992		(24	)		-		-			992		(24	)
	$	139,240	$	(2,022	)	$	126,175	$	(4,113	)	$	265,415	$	(6,135	)
December 31. 2016
U.S. Government Agencies
Mortgage-Backed	$	174,201	$	(3,460	)	$	107,482	$	(4,213	)	$	281,683	$	(7,673	)
State, County and Municipal		3,488		(30	)		-		-			3,488		(30	)
	$	177,689	$	(3,490	)	$	107,482	$	(4,213	)	$	285,171	$	(7,703	)