Investment Securities (Tables)

12 Months Ended

Dec. 31, 2014

Investment Securities

Schedule of amortized cost and estimated fair value of securities

	December 31, 2014
	Amortized		Unrealized		Unrealized			Estimated
	Cost		Gain		Loss			Fair Value
	(in thousands)
Investment securities available for sale:
Municipal bonds	$	88,599	$	1,235	$	(173	)	$	89,661
Mortgage-backed securities	112,159		432		(614		)	111,977
Total securities available for sale	200,758		1,667		(787		)	201,638
FHLB stock	8,019		—		—			8,019
Federal Reserve Bank stock/TIB	9,048		—		—			9,048
Total equities held at cost	17,067		—		—			17,067
Total securities	$	217,825	$	1,667	$	(787	)	$	218,705

	December 31, 2013
	Amortized		Unrealized		Unrealized			Estimated
	Cost		Gain		Loss			Fair Value
	(in thousands)
Investment securities available for sale:
U.S. Treasury	$	73	$	8	$	—		$	81
Municipal bonds	95,388		589		(1,850		)	94,127
Mortgage-backed securities	165,857		12		(3,988		)	161,881
Total securities available for sale	261,318		609		(5,838		)	256,089
FHLB stock	7,483		—		—			7,483
Federal Reserve Bank stock	7,967		—		—			7,967
Total equities held at cost	15,450		—		—			15,450
Total securities	$	276,768	$	609	$	(5,838	)	$	271,539

Schedule of number, fair value and gross unrealized holding losses of the Company's investment securities by investment category and length of time that the securities have been in a continuous loss position

	December 31, 2014
	Less than 12 months						12 months or Longer						Total
				Gross						Gross						Gross
				Unrealized						Unrealized						Unrealized
		Fair		Holding				Fair		Holding				Fair		Holding
	Number	Value		Losses			Number	Value		Losses			Number	Value		Losses
	(dollars in thousands)
Municipal bonds	35	$	18,129	$	(117	)	16	$	6,510	$	(56	)	51	$	24,639	$	(173	)
Mortgage-backed securities	7	24,353		(105		)	4	18,842		(509		)	11	43,195		(614		)
Total	42	$	42,482	$	(222	)	20	$	25,352	$	(565	)	62	$	67,834	$	(787	)

	December 31, 2013
	Less than 12 months						12 months or Longer						Total
				Gross						Gross						Gross
				Unrealized						Unrealized						Unrealized
		Fair		Holding				Fair		Holding				Fair		Holding
	Number	Value		Losses			Number	Value		Losses			Number	Value		Losses
	(dollars in thousands)
Municipal bonds	133	$	61,524	$	(1,850	)	—	$	—	$	—		133	$	61,524	$	(1,850	)
Mortgage-backed securities	45	140,704		(3,075		)	1	12,607		(913		)	46	153,311		(3,988		)
Total	178	$	202,228	$	(4,925	)	1	$	12,607	$	(913	)	179	$	214,835	$	(5,838	)

Schedule of amortized cost and estimated fair value of investment securities available for sale by contractual maturity

	One Year				More than One				More than Five Years				More than
	or Less				Year to Five Years				to Ten Years				Ten Years				Total
	Amortized		Fair		Amortized		Fair		Amortized		Fair		Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value		Cost		Value		Cost		Value		Cost		Value
	(dollars in thousands)
Investment securities available for sale:
Municipal bonds	$	—	$	—	$	12,876	$	12,889	$	38,935	$	39,391	$	36,788	$	37,381	$	88,599	$	89,661
Mortgage-backed securities	—		—		—		—		23,113		23,120		89,046		88,857		112,159		111,977
Total investment securities available for sale	—		—		12,876		12,889		62,048		62,511		125,834		126,238		200,758		201,638
Stock:
FHLB	8,019		8,019		—		—		—		—		—		—		8,019		8,019
Federal Reserve Bank/TIB	9,048		9,048		—		—		—		—		—		—		9,048		9,048
Total stock	17,067		17,067		—		—		—		—		—		—		17,067		17,067
Total securities	$	17,067	$	17,067	$	12,876	$	12,889	$	62,048	$	62,511	$	125,834	$	126,238	$	217,825	$	218,705