Note 2 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Marketable Securities [Table Text Block]

March 31, 2017	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Securities Available for Sale:
U. S. Government Agencies
Mortgage-Backed	$	342,828	$	109	$	(7,486	)	$	335,451
State, County & Municipal		4,444		35		(23	)		4,456
Corporate Bonds		2,060		-		(35	)		2,025
	$	349,332	$	144	$	(7,544	)	$	341,932

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	$	667	$	672
Due After One Year Through Five Years		4,449		4,421
Due After Five Years Through Ten Years		694		712
Due After Ten Years		694		676
	$	6,504	$	6,481
Mortgage-Backed Securities		342,828		335,451
	$	349,332	$	341,932

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
March 31, 2017
U. S. Government Agencies
Mortgage-Backed	$	196,927	$	(3,362	)	$	108,603	$	(4,124	)	$	305,530	$	(7,486	)
State, County and Municipal		2,138		(23	)		-		-			2,138		(23	)
Corporate Bonds		2,025		(35	)		-		-			2,025		(35	)
	$	201,090	$	(3,420	)	$	108,603	$	(4,124	)	$	309,693	$	(7,544	)
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	)