INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2015

INVESTMENT SECURITIES

Gross Amortized Cost and Fair Value of Securities Available for Sale and Related Gross Unrealized Gains and Losses Recognized in Accumulated Other Comprehensive Income (Loss)

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
December 31, 2015 (in thousands)	Cost		Gains		Losses		Value
U.S. Treasury securities and U.S. Government agencies	$	286,914	$	59	$	(494)	$	286,479
Private label mortgage backed security		4,037		1,095		—		5,132
Mortgage backed securities - residential		88,968		3,395		(95)		92,268
Collateralized mortgage obligations		113,972		748		(1,052)		113,668
Freddie Mac preferred stock		—		173		—		173
Mutual fund		1,000		11		—		1,011
Corporate bonds		15,009		16		(103)		14,922
Trust preferred security		3,405		—		—		3,405
Total securities available for sale	$	513,305	$	5,497	$	(1,744)	$	517,058

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
December 31, 2014 (in thousands)	Cost		Gains		Losses		Value
U.S. Treasury securities and U.S. Government agencies	$	146,625	$	312	$	(15)	$	146,922
Private label mortgage backed security		4,030		1,220		—		5,250
Mortgage backed securities - residential		118,836		5,511		(91)		124,256
Collateralized mortgage obligations		143,283		1,034		(1,146)		143,171
Freddie Mac preferred stock		—		231		—		231
Mutual fund		1,000		18		—		1,018
Corporate bonds		15,011		52		—		15,063
Total securities available for sale	$	428,785	$	8,378	$	(1,252)	$	435,911

Carrying Value, Gross Unrecognized Gains and Losses, and Fair Value of Securities to be Held to Maturity

			Gross		Gross
	Carrying		Unrecognized		Unrecognized		Fair
December 31, 2015 (in thousands)	Value		Gains		Losses		Value
U.S. Treasury securities and U.S. Government agencies	$	515	$	1	$	—	$	516
Mortgage backed securities - residential		53		6		—		59
Collateralized mortgage obligations		33,159		464		—		33,623
Corporate bonds		5,000		—		(2)		4,998
Total securities held to maturity	$	38,727	$	471	$	(2)	$	39,196

			Gross		Gross
	Carrying		Unrecognized		Unrecognized		Fair
December 31, 2014 (in thousands)	Value		Gains		Losses		Value
U.S. Treasury securities and U.S. Government agencies	$	1,747	$	1	$	(7)	$	1,741
Mortgage backed securities - residential		147		20		—		167
Collateralized mortgage obligations		38,543		423		(4)		38,962
Corporate bonds		5,000		—		(63)		4,937
Total securities held to maturity	$	45,437	$	444	$	(74)	$	45,807

Amortized Cost and Fair Value of Investment Securities Portfolio by Contractual Maturity

	Securities				Securities
	Available for Sale				Held to Maturity
	Amortized		Fair		Carrying		Fair
December 31, 2015 (in thousands)	Cost		Value		Value		Value
Due in one year or less	$	49,998	$	49,979	$	—	$	—
Due from one year to five years		241,925		241,525		5,515		5,514
Due from five years to ten years		10,000		9,897		—		—
Due beyond ten years		3,405		3,405		—		—
Private label mortgage backed security		4,037		5,132		—		—
Mortgage backed securities - residential		88,968		92,268		53		59
Collateralized mortgage obligations		113,972		113,668		33,159		33,623
Freddie Mac preferred stock		—		173		—		—
Mutual fund		1,000		1,011		—		—
Total securities	$	513,305	$	517,058	$	38,727	$	39,196

Securities with Unrealized Losses, Aggregated by Investment Category with Continuous Unrealized Loss Position

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
December 31, 2015 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Securities available for sale:
U.S. Treasury securities and U.S. Government agencies	$	191,584	$	(433)	$	9,914	$	(61)	$	201,498	$	(494)
Mortgage backed securities - residential		5,727		(95)		—		—		5,727		(95)
Collateralized mortgage obligations		6,831		(212)		35,869		(840)		42,700		(1,052)
Corporate bonds		9,896		(103)		—		—		9,896		(103)
Total securities available for sale	$	214,038	$	(843)	$	45,783	$	(901)	$	259,821	$	(1,744)

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
December 31, 2014 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Securities available for sale:
U.S. Treasury securities and U.S. Government agencies	$	2,089	$	(15)	$	—	$	—	$	2,089	$	(15)
Mortgage backed securities - residential		7,535		(91)		—		—		7,535		(91)
Collateralized mortgage obligations		46,058		(881)		12,534		(265)		58,592		(1,146)
Total securities available for sale	$	55,682	$	(987)	$	12,534	$	(265)	$	68,216	$	(1,252)

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
December 31, 2015 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Securities held to maturity:
Corporate bonds	$	4,998	$	(2)	$	—		—	$	4,998	$	(2)
Total securities held to maturity	$	4,998	$	(2)	$	—	$	—	$	4,998	$	(2)

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
December 31, 2014 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Securities held to maturity:
U.S. Treasury securities and U.S. Government agencies	$	517	$	(7)	$	—	$	—	$	517	$	(7)
Collateralized mortgage obligations		9,045		(4)		—		—		9,045		(4)
Corporate bonds		4,936		(63)		—		—		4,936		(63)
Total securities held to maturity	$	14,498	$	(74)	$	—	$	—	$	14,498	$	(74)

Rollforward of the private label mortgage backed security credit losses

Years Ended December 31, (in thousands)	2015		2014		2013
Balance, beginning of year	$	1,800	$	1,941	$	2,142
Recovery of losses previously recorded		(35)		(141)		(201)
Realized pass through of actual losses		—		—		—
Balance, end of year	$	1,765	$	1,800	$	1,941

Pledged Investment Securities

December 31,  (in thousands)	2015		2014
Carrying amount	$	489,598	$	409,868
Fair value		490,074		410,307