Securities (Tables)

6 Months Ended

Jun. 30, 2017

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 June 30, 2017 and December 31, 2016 are as follows:

			Gross		Gross
(Dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
June 30, 2017	Cost		Gains		Losses			Value
Available for sale securities:
U.S. Government agency obligations	$	133,704	$	564	$	(463	)	$	133,805
U.S. Treasury notes		4,830		43		—			4,873
Mortgage-backed securities, residential		22,233		389		(115	)		22,507
Asset backed securities		12,889		21		(111	)		12,799
State and municipal		25,361		23		(233	)		25,151
Corporate bonds		25,793		114		(3	)		25,904
SBA pooled securities		144		—		—			144
Mutual fund		2,000		23		—			2,023
Total available for sale securities	$	226,954	$	1,177	$	(925	)	$	227,206

			Gross		Gross
	Amortized		Unrecognized		Unrecognized			Fair
	Cost		Gains		Losses			Value
Held to maturity securities:
CLO securities	$	26,036	$	948	$	(618	)	$	26,366

			Gross		Gross
(Dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
December 31, 2016	Cost		Gains		Losses			Value
Available for sale securities:
U.S. Government agency obligations	$	180,945	$	640	$	(643	)	$	180,942
Mortgage-backed securities, residential		24,710		453		(173	)		24,990
Asset backed securities		13,031		30		(159	)		12,902
State and municipal		27,339		6		(708	)		26,637
Corporate bonds		27,287		106		(3	)		27,390
SBA pooled securities		156		1		—			157
Mutual fund		2,000		11		—			2,011
Total available for sale securities	$	275,468	$	1,247	$	(1,686	)	$	275,029

			Gross		Gross
	Amortized		Unrecognized		Unrecognized			Fair
	Cost		Gains		Losses			Value
Held to maturity securities:
CLO securities	$	29,352	$	1,527	$	(58	)	$	30,821

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

The amortized cost and estimated fair value of securities at June 30, 2017, 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	$	56,482	$	56,454	$	—	$	—
Due from one year to five years		111,026		111,240		—		—
Due from five years to ten years		6,859		6,790		12,875		13,513
Due after ten years		15,321		15,249		13,161		12,853
		189,688		189,733		26,036		26,366
Mortgage-backed securities, residential		22,233		22,507		—		—
Asset backed securities		12,889		12,799		—		—
SBA pooled securities		144		144		—		—
Mutual fund		2,000		2,023		—		—
	$	226,954	$	227,206	$	26,036	$	26,366

Schedule of Proceeds from Sales of Securities and the Associated Gross Gains and Losses

Proceeds from sales of securities and the associated gross gains and losses for the three and six months ended June 30, 2017 and 2016 are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(Dollars in thousands)	2017		2016		2017		2016
Proceeds	$	—	$	—	$	—	$	4,345
Gross gains		—		—		—		5
Gross losses		—		—		—		—

Schedule of Information Pertaining to Securities with Gross Unrealized and Unrecognized Losses

Information pertaining to securities with gross unrealized and unrecognized losses at June 30, 2017 and December 31, 2016, 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
June 30, 2017	Value		Losses			Value		Losses			Value		Losses
Available for sale securities:
U.S. Government agency obligations	$	58,439	$	(463	)	$	—	$	—		$	58,439	$	(463	)
U.S. Treasury notes		—		—			—		—			—		—
Mortgage-backed securities, residential		6,472		(115	)		—		—			6,472		(115	)
Asset backed securities		4,882		(75	)		4,922		(36	)		9,804		(111	)
State and municipal		22,700		(233	)		—		—			22,700		(233	)
Corporate bonds		372		(3	)		—		—			372		(3	)
SBA pooled securities		—		—			—		—			—		—
Mutual fund		—		—			—		—			—		—
	$	92,865	$	(889	)	$	4,922	$	(36	)	$	97,787	$	(925	)

	Less than 12 Months					12 Months or More					Total
(Dollars in thousands)	Fair		Unrecognized			Fair		Unrecognized			Fair		Unrecognized
June 30, 2017	Value		Losses			Value		Losses			Value		Losses
Held to maturity securities:
CLO securities	$	7,846	$	(618	)	$	—	$	—		$	7,846	$	(618	)



	Less than 12 Months					12 Months or More					Total
(Dollars in thousands)	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
December 31, 2016	Value		Losses			Value		Losses			Value		Losses
U.S. Government agency obligations	$	95,362	$	(643	)	$	—	$	—		$	95,362	$	(643	)
Mortgage-backed securities, residential		6,594		(173	)		—		—			6,594		(173	)
Asset backed securities		—		—			7,946		(159	)		7,946		(159	)
State and municipal		25,771		(708	)		—		—			25,771		(708	)
Corporate bonds		372		(3	)		—		—			372		(3	)
SBA pooled securities		—		—			—		—			—		—
Mutual fund		—		—			—		—			—		—
	$	128,099	$	(1,527	)	$	7,946	$	(159	)	$	136,045	$	(1,686	)

	Less than 12 Months					12 Months or More					Total
(Dollars in thousands)	Fair		Unrecognized			Fair		Unrecognized			Fair		Unrecognized
December 31, 2016	Value		Losses			Value		Losses			Value		Losses
Held to maturity securities:
CLO securities	$	3,323	$	(58	)	$	—	$	—		$	3,323	$	(58	)