Securities (Tables)

9 Months Ended

Sep. 30, 2016

Investments Debt And Equity Securities [Abstract]

Schedule of Amortized Cost of Securities and Their Approximate Fair Values

Securities have been classified in the financial statements as available for sale or held to maturity. The amortized cost of securities and their approximate fair values at September 30, 2016 and December 31, 2015 are as follows:

			Gross		Gross
(Dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
September 30, 2016	Cost		Gains		Losses			Value
Available for sale securities:
U.S. Government agency obligations	$	189,313	$	1,374	$	(117	)	$	190,570
Mortgage-backed securities, residential		25,834		596		(17	)		26,413
Asset backed securities		13,111		33		(181	)		12,963
State and municipal		28,933		40		(109	)		28,864
Corporate bonds		27,323		277		—			27,600
SBA pooled securities		162		2		—			164
Total available for sale securities	$	284,676	$	2,322	$	(424	)	$	286,574

			Gross		Gross
	Amortized		Unrecognized		Unrecognized			Fair
	Cost		Gains		Losses			Value
Held to maturity securities:
CLO securities	$	29,316	$	1,595	$	(62	)	$	30,849

			Gross		Gross
(Dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
December 31, 2015	Cost		Gains		Losses			Value
Available for sale securities:
U.S. Government agency obligations	$	90,533	$	518	$	(17	)	$	91,034
Mortgage-backed securities, residential		28,006		361		(27	)		28,340
Asset backed securities		17,957		24		(455	)		17,526
State and municipal		1,509		17		—			1,526
Corporate bonds		24,542		74		(57	)		24,559
SBA pooled securities		183		1		—			184
Total available for sale securities	$	162,730	$	995	$	(556	)	$	163,169

Schedule of Amortized Cost and Estimated Fair Value of Securities by Contractual Maturity

The amortized cost and estimated fair value of securities at September 30, 2016, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Available for Sale Securities				Held to Maturity Securities
	Amortized		Fair		Amortized		Fair
(Dollars in thousands)	Cost		Value		Cost		Value
Due in one year or less	$	83,649	$	83,724	$	—	$	—
Due from one year to five years		135,401		136,797		—		—
Due from five years to ten years		5,443		5,449		8,454		9,011
Due after ten years		21,076		21,064		20,862		21,838
		245,569		247,034		29,316		30,849
Mortgage-backed securities, residential		25,834		26,413		—		—
Asset backed securities		13,111		12,963		—		—
SBA pooled securities		162		164		—		—
	$	284,676	$	286,574	$	29,316	$	30,849

Schedule of Information Pertaining to Securities with Gross Unrealized Losses

Information pertaining to securities with gross unrealized losses at September 30, 2016 and December 31, 2015, aggregated by investment category and length of time that individual securities have been in a continuous loss position, are summarized as follows:

	Less than 12 Months					12 Months or More					Total
(Dollars in thousands)	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
September 30, 2016	Value		Losses			Value		Losses			Value		Losses
Available for sale securities:
U.S. Government agency obligations	$	81,449	$	(117	)	$	—	$	—		$	81,449	$	(117	)
Mortgage-backed securities, residential		2,169		(17	)		—		—			2,169		(17	)
Asset backed securities		—		—			8,019		(181	)		8,019		(181	)
State and municipal		23,506		(109	)		—		—			23,506		(109	)
Corporate bonds		—		—			—		—			—		—
SBA pooled securities		—		—			—		—			—		—
	$	107,124	$	(243	)	$	8,019	$	(181	)	$	115,143	$	(424	)

Held to maturity securities:
CLO securities	$	1,634	$	(62	)	$	—	$	—		$	1,634	$	(62	)


	Less than 12 Months					12 Months or More					Total
(Dollars in thousands)	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
December 31, 2015	Value		Losses			Value		Losses			Value		Losses
U.S. Government agency obligations	$	10,029	$	(17	)	$	—	$	—		$	10,029	$	(17	)
Mortgage-backed securities, residential		4,948		(27	)		—		—			4,948		(27	)
Asset backed securities		8,031		(416	)		4,605		(39	)		12,636		(455	)
State and municipal		—		—			—		—			—		—
Corporate bonds		10,434		(57	)		—		—			10,434		(57	)
SBA pooled securities		—		—			—		—			—		—
	$	33,442	$	(517	)	$	4,605	$	(39	)	$	38,047	$	(556	)