Note 2 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Marketable Securities [Table Text Block]

June 30, 2017	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies
Mortgage-Backed	$	336,786	$	204	$	(6,248	)	$	330,742
State, County & Municipal		4,891		40		(27	)		4,904
Corporate Bonds		2,056		8		-			2,064
	$	343,733	$	252	$	(6,275	)	$	337,710

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	$	665	$	667
Due After One Year Through Five Years		4,535		4,524
Due After Five Years Through Ten Years		1,053		1,077
Due After Ten Years		694		700
	$	6,947	$	6,968
Mortgage-Backed Securities		336,786		330,742
	$	343,733	$	337,710

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, 2017
U. S. Government Agencies Mortgage-Backed	$	170,412	$	(2,499	)	$	108,285	$	(3,749	)	$	278,697	$	(6,248	)
State, County and Municipal		1,776		(27	)		-		-			1,776		(27	)
	$	172,188	$	(2,526	)	$	108,285	$	(3,749	)	$	280,473	$	(6,275	)
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	)