INVESTMENT SECURITIES (Tables)

3 Months Ended

Mar. 31, 2018

INVESTMENT SECURITIES

Schedule of gross amortized cost and fair value of available-for-sale debt securities and the related gross unrealized gains and losses recognized in accumulated other comprehensive income

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
March 31, 2018 (in thousands)	Cost		Gains		Losses		Value
U.S. Treasury securities and U.S. Government agencies	$	219,157	$	—	$	(2,156)	$	217,001
Private label mortgage backed security		2,738		1,382		—		4,120
Mortgage backed securities - residential		100,439		1,370		(1,571)		100,238
Collateralized mortgage obligations		84,074		279		(1,608)		82,745
Corporate bonds		10,000		—		(21)		9,979
Trust preferred security		3,503		397		—		3,900
Total available-for-sale debt securities	$	419,911	$	3,428	$	(5,356)	$	417,983

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
December 31, 2017 (in thousands)	Cost		Gains		Losses		Value
U.S. Treasury securities and U.S. Government agencies	$	309,042	$	1	$	(1,451)	$	307,592
Private label mortgage backed security		3,065		1,384		—		4,449
Mortgage backed securities - residential		105,644		1,603		(873)		106,374
Collateralized mortgage obligations		87,867		371		(1,075)		87,163
Corporate bonds		15,001		124		—		15,125
Trust preferred security		3,493		107		—		3,600
Total available-for-sale debt securities	$	524,112	$	3,590	$	(3,399)	$	524,303

Schedule of carrying value, gross unrecognized gains and losses, and fair value of held-to-maturity debt securities

			Gross		Gross
	Carrying		Unrecognized		Unrecognized		Fair
March 31, 2018 (in thousands)	Value		Gains		Losses		Value
Mortgage backed securities - residential	$	150	$	10	$	—	$	160
Collateralized mortgage obligations		22,062		285		(16)		22,331
Corporate bonds		40,168		405		—		40,573
Obligations of state and political subdivisions		464		—		(13)		451
Total held-to-maturity debt securities	$	62,844	$	700	$	(29)	$	63,515

			Gross		Gross
	Carrying		Unrecognized		Unrecognized		Fair
December 31, 2017 (in thousands)	Value		Gains		Losses		Value
Mortgage backed securities - residential	$	151	$	10	$	—	$	161
Collateralized mortgage obligations		23,437		236		(17)		23,656
Corporate bonds		40,175		686		(3)		40,858
Obligations of state and political subdivisions		464		—		(6)		458
Total held-to-maturity debt securities	$	64,227	$	932	$	(26)	$	65,133

Schedule of amortized cost and fair value of debt securities by contractual maturity

	Available-for-Sale				Held-to-Maturity
	Debt Securities				Debt Securities
	Amortized		Fair		Carrying		Fair
March 31, 2018 (in thousands)	Cost		Value		Value		Value
Due in one year or less	$	80,069	$	79,732	$	—	$	—
Due from one year to five years		139,088		137,270		10,441		10,473
Due from five years to ten years		10,000		9,978		30,191		30,551
Due beyond ten years		3,503		3,900		—		—
Private label mortgage backed security		2,738		4,120		—		—
Mortgage backed securities - residential		100,439		100,238		150		160
Collateralized mortgage obligations		84,074		82,745		22,062		22,331
Total debt securities	$	419,911	$	417,983	$	62,844	$	63,515

Schedule of debt securities with unrealized losses

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
March 31, 2018 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Available-for-sale debt securities:
U.S. Treasury securities and U.S. Government agencies	$	98,699	$	(1,011)	$	88,303	$	(1,145)	$	187,002	$	(2,156)
Mortgage backed securities - residential		58,202		(1,238)		9,377		(333)		67,579		(1,571)
Collateralized mortgage obligations		30,426		(864)		23,081		(744)		53,507		(1,608)
Corporate bonds		9,979		(21)		—		—		9,979		(21)
Total available-for-sale debt securities	$	197,306	$	(3,134)	$	120,761	$	(2,222)	$	318,067	$	(5,356)

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
December 31, 2017 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Available-for-sale debt securities:
U.S. Treasury securities and U.S. Government agencies	$	209,165	$	(499)	$	88,415	$	(952)	$	297,580	$	(1,451)
Mortgage backed securities - residential		61,348		(617)		10,192		(256)		71,540		(873)
Collateralized mortgage obligations		30,963		(642)		18,603		(433)		49,566		(1,075)
Total available-for-sale debt securities	$	301,476	$	(1,758)	$	117,210	$	(1,641)	$	418,686	$	(3,399)

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
March 31, 2018 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Held-to-maturity debt securities:
Collateralized mortgage obligations	$	—	$	—	$	6,128	$	(16)	$	6,128	$	(16)
Obligations of state and political subdivisions		451		(13)		—		—		451		(13)
Total held-to-maturity debt securities:	$	451	$	(13)	$	6,128	$	(16)	$	6,579	$	(29)

	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
December 31, 2017 (in thousands)	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Held-to-maturity debt securities:
Collateralized mortgage obligations	$	—	$	—	$	6,390	$	(17)	$	6,390	$	(17)
Corporate bonds		4,997		(3)		—		—		4,997		(3)
Obligations of state and political subdivisions		458		(6)		—		—		458		(6)
Total held-to-maturity debt securities:	$	5,455	$	(9)	$	6,390	$	(17)	$	11,845	$	(26)

Schedule of pledged investment securities

(in thousands)	March 31, 2018		December 31, 2017
Carrying amount	$	257,934	$	262,679
Fair value		258,250		262,902

Schedule of carrying value, gross unrealized gains and losses, and fair value of equity securities with readily determinable fair values

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
March 31, 2018 (in thousands)	Cost		Gains		Losses		Value
Freddie Mac preferred stock	$	—	$	328	$	—	$	328
Community Reinvestment Act mutual fund		2,500		—		(82)		2,418
Total equity securities with readily determinable fair values	$	2,500	$	328	$	(82)	$	2,746

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
December 31, 2017 (in thousands)	Cost		Gains		Losses		Value
Freddie Mac preferred stock	$	—	$	473	$	—	$	473
Community Reinvestment Act mutual fund		2,500		—		(45)		2,455
Total equity securities with readily determinable fair values	$	2,500	$	473	$	(45)	$	2,928

Schedule of equity securities with readily determinable fair values, the gross realized and unrealized gains and losses recognized in the Company’s consolidated statements of income

	Three Months Ended March 31, 2018
	Gains (Losses) Recognized on Equity Securities
(in thousands)	Realized		Unrealized		Total
Freddie Mac preferred stock	$	—	$	(145)	$	(145)
Community Reinvestment Act mutual fund		—		(37)		(37)
Total equity securities with readily determinable fair value	$	—	$	(182)	$	(182)