Investment Securities (Tables)

9 Months Ended

Sep. 30, 2014

Investment Securities

Schedule of amortized cost and estimated fair value of securities

	September 30, 2014
Investment securities available for sale:	Amortized Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
	(in thousands)
Municipal bonds	$	97,358	$	1,495	$	(268	)	$	98,585
Mortgage-backed securities	184,701		180		(1,264		)	183,617
Total securities available for sale	$	282,059	$	1,675	$	(1,532	)	$	282,202

	December 31, 2013
Investment securities available for sale:	Amortized Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
	(in thousands)
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

	September 30, 2013
Investment securities available for sale:	Amortized Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
	(in thousands)
U.S. Treasury	$	73	$	9	$	—		$	82
Municipal bonds	95,971		709		(1,795		)	94,885
Mortgage-backed securities	191,282		182		(3,585		)	187,879
Total securities available for sale	$	287,326	$	900	$	(5,380	)	$	282,846

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

	September 30, 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	29	$	16,804	$	(183	)	26	$	10,459	$	(85	)	55	$	27,263	$	(268	)
Mortgage-backed securities	22	85,248		(256		)	9	42,516		(1,008		)	31	127,764		(1,264		)
Total	51	$	102,052	$	(439	)	35	$	52,975	$	(1,093	)	86	$	155,027	$	(1,532	)

	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	)

	September 30, 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	131	$	60,183	$	(1,795	)	—	$	—	$	—		131	$	60,183	$	(1,795	)
Mortgage-backed securities	39	136,513		(2,725		)	1	13,117		(860		)	40	149,630		(3,585		)
Total	170	$	196,696	$	(4,520	)	1	$	13,117	$	(860	)	171	$	209,813	$	(5,380	)

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
Investment securities available for sale:	Cost		Value		Cost		Value		Cost		Value		Cost		Value		Cost		Value
	(dollars in thousands)
Municipal bonds	$	—	$	—	$	12,828	$	12,877	$	41,817	$	42,379	$	42,713	$	43,329	$	97,358	$	98,585
Mortgage-backed securities	—		—		—		—		30,477		30,394		154,224		153,223		184,701		183,617
Total investment securities available for sale	—		—		12,828		12,877		72,294		72,773		196,937		196,552		282,059		282,202