Securities (Tables)

12 Months Ended

Dec. 31, 2017

Cash and Cash Equivalents [Abstract]

Amortized Cost of Securities and their Estimated Fair Values

The carrying amount of securities and their estimated fair values follow:

	December 31, 2017
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
Restricted:
FHLB stock	$	4,428		—		—			4,428
Available for Sale:
U.S. Agency securities	$	84,210		536		(653	)		84,093
Tax free municipal bonds		26,412		637		(83	)		26,966
Taxable municipal bonds		1,279		5		(1	)		1,283
Trust preferred securities		1,650		35		—			1,685
Mortgage-backed securities		71,389		201		(826	)		70,764
	$	184,940		1,414		(1,563	)		184,791

	December 31, 2016
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
Restricted:
FHLB stock	$	4,428		—		—			4,428
Available for Sale:
U.S. Treasury securities	$	2,000		1		—			2,001
U.S. Agency securities		83,667		983		(638	)		84,012
Tax free municipal bonds		33,004		1,081		(174	)		33,911
Taxable municipal bonds		2,720		17		(10	)		2,727
Trust preferred securities		1,634		183		—			1,817
Mortgage-backed securities		85,626		437		(1,051	)		85,012
	$	208,651		2,702		(1,873	)		209,480

Maturities of Debt Securities Available for Sale

The scheduled maturities of debt securities available for sale at December 31, 2017 and December 31, 2016 were as follows:

December 31, 2017	Amortized Cost		Estimated Fair Value
Due within one year	$	2,078		2,095
Due in one to five years		28,692		28,624
Due in five to ten years		18,161		18,287
Due after ten years		7,218		7,443
		56,149		56,449
Amortizing agency bonds		57,402		57,578
Mortgage-backed securities		71,389		70,764
Total unrestricted securities available for sale	$	184,940		184,791

December 31, 2016	Amortized Cost		Estimated Fair Value
Due within one year	$	6,605		6,615
Due in one to five years		13,913		14,067
Due in five to ten years		32,611		32,744
Due after ten years		13,022		13,603
		66,151		67,029
Amortizing agency bonds		56,874		57,439
Mortgage-backed securities		85,626		85,012
Total unrestricted securities available for sale	$	208,651		209,480

Estimated Fair Value and Unrealized Loss Amounts of Impaired Investments

The estimated fair value and unrealized loss amounts of temporarily impaired investments as of December 31, 2017 and December 31, 2016 are as follows:

	Less than 12 months					12 months or longer					Total
December 31, 2017	Estimated Fair Value		Unrealized Losses			Estimated Fair Value		Unrealized Losses			Estimated Fair Value		Unrealized Losses
Available for sale
U.S. Agency securities	$	41,501		(431	)		9,846		(222	)		51,347		(653	)
Taxable municipals		521		(1	)		—		—			521		(1	)
Tax free municipals		4,860		(51	)		913		(32	)		5,773		(83	)
Mortgage-backed securities		40,441		(289	)		21,566		(537	)		62,007		(826	)
Total Available for Sale	$	87,323		(772	)		32,325		(791	)		119,648		(1,563	)

	Less than 12 months					12 months or longer					Total
December 31, 2016	Estimated Fair Value		Unrealized Losses			Estimated Fair Value		Unrealized Losses			Estimated Fair Value		Unrealized Losses
Available for sale
U.S. Agency securities	$	41,963		(597	)		3,459		(41	)		45,422		(638	)
Taxable municipals		1,347		(10	)		—		—			1,347		(10	)
Tax free municipals		7,369		(174	)		—		—			7,369		(174	)
Mortgage-backed securities		48,462		(796	)		7,439		(255	)		55,901		(1,051	)
Total Available for Sale	$	99,141		(1,577	)		10,898		(296	)		110,039		(1,873	)