Securities (Tables)

12 Months Ended

Dec. 31, 2015

Available-for-sale Securities [Abstract]

Available-for-sale Securities

The amortized cost, unrealized gains, unrealized losses and estimated fair values of securities at December 31, 2015 and 2014, are summarized as follows:

	December 31, 2015
	Amortized		Unrealized				Estimated
Dollars in thousands	Cost		Gains		Losses		Fair Value
Available for Sale
Taxable debt securities
U.S. Government and agencies and corporations	$	20,461	$	1,063	$	49	$	21,475
Residential mortgage-backed securities:
Government-sponsored agencies	145,586		1,943		795		146,734
Nongovernment-sponsored entities	7,836		82		33		7,885
State and political subdivisions
Water and sewer revenues	250		—		—		250
Other revenues	1,729		—		26		1,703
Corporate debt securities	14,494		—		268		14,226
Total taxable debt securities	190,356		3,088		1,171		192,273
Tax-exempt debt securities
State and political subdivisions
General obligations	52,490		1,767		41		54,216
Water and sewer revenues	7,614		172		—		7,786
Lease revenues	8,671		187		1		8,857
Special tax revenues	4,532		72		—		4,604
Other revenues	12,703		290		14		12,979
Total tax-exempt debt securities	86,010		2,488		56		88,442
Equity securities	77		—		—		77
Total available for sale securities	$	276,443	$	5,576	$	1,227	$	280,792

	December 31, 2014
	Amortized		Unrealized				Estimated
Dollars in thousands	Cost		Gains		Losses		Fair Value
Available for Sale
Taxable debt securities
U.S. Government and agencies and corporations	$	22,153	$	1,073	$	52	$	23,174
Residential mortgage-backed securities:
Government-sponsored agencies	147,951		2,599		773		149,777
Nongovernment-sponsored entities	12,051		142		48		12,145
State and political subdivisions
General obligations	1,975		2		33		1,944
Water and sewer revenues	1,976		14		7		1,983
Other revenues	4,696		73		2		4,767
Corporate debt securities	3,776		—		—		3,776
Total taxable debt securities	194,578		3,903		915		197,566
Tax-exempt debt securities
State and political subdivisions
General obligations	49,515		2,338		12		51,841
Water and sewer revenues	11,258		244		3		11,499
Lease revenues	4,617		75		10		4,682
Lottery/casino revenues	3,811		206		9		4,008
Other revenues	12,845		404		18		13,231
Total tax-exempt debt securities	82,046		3,267		52		85,261
Equity securities	7		—		—		7
Total available for sale securities	$	276,631	$	7,170	$	967	$	282,834

Summary Of Volume of State and Political Subdivision Securities Held in Portfolio

We own no such securities of any single issuer which we deem to be a concentration.

	December 31, 2015
	Amortized		Unrealized				Estimated
Dollars in thousands	Cost		Gains		Losses		Fair Value
Illinois	$	9,899	$	302	$	2	$	10,199
Texas	9,636		334		—		9,970
West Virginia	7,736		117		—		7,853
Ohio	7,246		114		—		7,360
California	6,139		202		15		6,326

Schedule of Realized Gain (Loss)

The proceeds from sales, calls and maturities of available for sale securities, including principal payments received on mortgage-backed obligations, and the related gross gains and losses realized are as follows:

Dollars in thousands	Proceeds from						Gross realized
			Calls and		Principal
Years ended December 31,	Sales		Maturities		Payments		Gains		Losses
2015	$	69,632	$	2,043	$	38,502	$	1,732	$	288
2014	80,914		4,051		34,390		1,037		824
2013	54,340		2,669		62,179		674		434

Investments Classified by Contractual Maturity Date

The maturities, amortized cost and estimated fair values of securities at December 31, 2015, are summarized as follows:

Dollars in thousands	Amortized Cost		Estimated Fair Value
Due in one year or less	$	52,801	$	53,343
Due from one to five years	101,061		101,891
Due from five to ten years	21,248		21,661
Due after ten years	101,256		103,820
Equity securities	77		77
Total	$	276,443	$	280,792

Schedule of Unrealized Loss on Investments

Provided below is a summary of securities available for sale which were in an unrealized loss position at December 31, 2015 and 2014, including debt securities for which a portion of other-than-temporary impairment has been recognized in other comprehensive income.

	2015
	Less than 12 months					12 months or more					Total
Dollars in thousands	Estimated Fair Value		Unrealized Loss			Estimated Fair Value		Unrealized Loss			Estimated Fair Value		Unrealized Loss
Temporarily impaired securities
Taxable debt securities
U.S. Government agencies and corporations	$	2,104	$	(2	)	$	3,151	$	(47	)	$	5,255	$	(49	)
Residential mortgage-backed securities:
Government-sponsored agencies	52,970		(569		)	8,672		(226		)	61,642		(795		)
Nongovernment-sponsored entities	2,298		—			2,819		(33		)	5,117		(33		)
State and political subdivisions:
Other revenues	1,702		(26		)	—		—			1,702		(26		)
Corporate debt securities	8,367		(268		)	—		—			8,367		(268		)
Tax-exempt debt securities
State and political subdivisions:
General obligations	5,977		(41		)	—		—			5,977		(41		)
Lease revenues	576		(1		)	—		—			576		(1		)
Other revenues	1,218		(14		)	—		—			1,218		(14		)
Total temporarily impaired securities	75,212		(921		)	14,642		(306		)	89,854		(1,227		)
Total other-than-temporarily
impaired securities	—		—			—		—			—		—
Total	$	75,212	$	(921	)	$	14,642	$	(306	)	$	89,854	$	(1,227	)

	2014
	Less than 12 months					12 months or more					Total
Dollars in thousands	Estimated Fair Value		Unrealized Loss			Estimated Fair Value		Unrealized Loss			Estimated Fair Value		Unrealized Loss
Temporarily impaired securities
Taxable debt securities
U.S. Government agencies and corporations	$	—	$	—		$	3,912	$	(52	)	$	3,912	$	(52	)
Residential mortgage-backed securities:
Government-sponsored agencies	36,825		(535		)	21,915		(238		)	58,740		(773		)
Nongovernment-sponsored entities	5,488		(44		)	2,163		(4		)	7,651		(48		)
State and political subdivisions:
General obligations	—		—			316		(33		)	316		(33		)
Water and sewer revenues	—		—			817		(7		)	817		(7		)
Other revenues	1,098		(2		)	—		—			1,098		(2		)
Corporate debt securities	—		—			—		—			—		—
Tax-exempt debt securities
State and political subdivisions:
General obligations	3,708		(8		)	438		(4		)	4,146		(12		)
Water and sewer revenues	721		(3		)	—		—			721		(3		)
Lease revenues	—		—			1,168		(10		)	1,168		(10		)
Lottery/casino revenues	—		—			1,126		(9		)	1,126		(9		)
Other revenues	1,247		(8		)	846		(10		)	2,093		(18		)
Total temporarily impaired securities	49,087		(600		)	32,701		(367		)	81,788		(967		)
Total other-than-temporarily
impaired securities	—		—			—		—			—		—
Total	$	49,087	$	(600	)	$	32,701	$	(367	)	$	81,788	$	(967	)