SECURITIES (Tables)

9 Months Ended

Sep. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Fair Value of Securities Available for Sale and Held for Investment

The amortized cost and fair value of securities available for sale and held for investment at September 30, 2016 and December 31, 2015 are summarized as follows:

	September 30, 2016
	Gross		Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(Dollars in thousands)	Cost		Gains		Losses		Value
SECURITIES AVAILABLE FOR SALE
U.S. Treasury securities and obligations
of U.S. Government Sponsored Entities	$	12,485	$	333	$	0	$	12,818
Mortgage-backed securities of U.S.
Government Sponsored Entities		165,802		3,268		(96)		168,974
Collateralized mortgage obligations of
U.S. Government Sponsored Entities		251,419		2,043		(979)		252,483
Private mortgage backed securities		32,720		0		(688)		32,032
Private collateralized mortgage obligations		73,371		617		(860)		73,128
Collateralized loan obligations		124,663		437		(676)		124,424
Obligations of state and political subdivisions		61,798		2,688		(52)		64,434
Corporate and other debt securities		75,552		1,125		(39)		76,638
Commercial mortgage backed securities		60,624		1,301		(243)		61,682
	$	858,434	$	11,812	$	(3,633)	$	866,613
SECURITIES HELD FOR INVESTMENT
Mortgage-backed securities of
U.S. Government Sponsored Entities	$	183,507	$	4,306	$	0	$	187,813
Collateralized mortgage obligations of
U.S. Government Sponsored Entities		160,377		1,618		(405)		161,590
Collateralized loan obligations		41,494		183		(465)		41,212
Private collateralized mortgage obligations		6,760		1		(112)		6,649
	$	392,138	$	6,108	$	(982)	$	397,264

	December 31, 2015
	Gross		Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(Dollars in thousands)	Cost		Gains		Losses		Value
SECURITIES AVAILABLE FOR SALE
U.S. Treasury securities and obligations
of U.S. Government Sponsored Entities	$	3,833	$	78	$	0	$	3,911
Mortgage-backed securities of U.S.
Government Sponsored Entities		192,224		847		(1,322)		191,749
Collateralized mortgage obligations of
U.S. Government Sponsored Entities		242,620		470		(4,900)		238,190
Private mortgage backed securities		32,558		0		(766)		31,792
Private collateralized mortgage obligations		77,965		700		(708)		77,957
Collateralized loan obligations		124,477		0		(1,894)		122,583
Obligations of state and political subdivisions		39,119		882		(110)		39,891
Corporate and other debt securities		44,652		37		(416)		44,273
Commercial mortgage backed securities		41,127		13		(720)		40,420
	$	798,575	$	3,027	$	(10,836)	$	790,766
SECURITIES HELD FOR INVESTMENT
Mortgage-backed securities of
U.S. Government Sponsored Entities	$	64,993	$	574	$	(16)	$	65,551
Collateralized mortgage obligations of
U.S. Government Sponsored Entities		89,265		581		(406)		89,440
Collateralized loan obligations		41,300		0		(1,360)		39,940
Private collateralized mortgage obligations		7,967		0		(85)		7,882
	$	203,525	$	1,155	$	(1,867)	$	202,813

Amortized Cost and Fair Value of Securities by Contractual Maturity

The amortized cost and fair value of securities at September 30, 2016, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because prepayments of the underlying collateral for these securities may occur, due to the right to call or repay obligations with or without call or prepayment penalties.

	Held for Investment				Available for Sale
	Amortized		Fair		Amortized		Fair
(Dollars in thousands)	Cost		Value		Cost		Value
Due in less than one year	$	0	$	0	$	7,760	$	7,934
Due after one year through
five years		0		0		83,490		84,017
Due after five years
through ten years		41,494		41,212		139,005		140,811
Due after ten years		0		0		33,131		34,422
		41,494		41,212		263,386		267,184
Mortgage-backed
securities of U.S. Government
Sponsored Entities		183,507		187,813		165,802		168,974
Collateralized mortgage
obligations of U.S. Government
Sponsored Entities		160,377		161,590		251,419		252,483
Private mortgage backed securities		0		0		32,720		32,032
Private collateralized mortgage
obligations		6,760		6,649		73,371		73,128
Other debt securities		0		0		11,112		11,130
Commercial mortgage
backed securities		0		0		60,624		61,682
	$	392,138	$	397,264	$	858,434	$	866,613

Schedule of Unrealized Loss and Fair Value on Investments

The tables below indicate the amount of securities with unrealized losses and period of time for which these losses were outstanding at September 30, 2016 and December 31, 2015, respectively.

	September 30, 2016
	Less than 12 months				12 months or longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Losses		Value		Losses		Value		Losses
Mortgage-backed securities of
U.S. Government Sponsored Entities	$	5,241	$	(9)	$	5,735	$	(87)	$	10,976	$	(96)
Collateralized mortgage obligations of
U.S. Government Sponsored Entities		96,741		(492)		72,794		(892)		169,535		(1,384)
Private mortgage backed securities		15,007		(520)		17,025		(168)		32,032		(688)
Private collateralized mortgage obligations		3,588		(141)		43,918		(831)		47,506		(972)
Collateralized loan obligations		0		0		51,460		(1,141)		51,460		(1,141)
Obligations of state and political subdivisions		3,692		(52)		0		0		3,692		(52)
Corporate and other debt securities		8,192		(35)		1,996		(4)		10,188		(39)
Commercial mortgage backed securities		2,951		(10)		11,810		(233)		14,761		(243)
Total temporarily impaired securities	$	135,412	$	(1,259)	$	204,738	$	(3,356)	$	340,150	$	(4,615)

	December 31, 2015
	Less than 12 months				12 months or longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Losses		Value		Losses		Value		Losses
Mortgage-backed securities of
U.S. Government Sponsored Entities	$	112,236	$	(1,082)	$	14,508	$	(256)	$	126,744	$	(1,338)
Collateralized mortgage obligations of
U.S. Government Sponsored Entities		97,512		(973)		147,266		(4,333)		244,778		(5,306)
Private mortgage backed securities		31,792		(766)		0		0		31,792		(766)
Private collateralized mortgage obligations		19,939		(321)		31,533		(472)		51,472		(793)
Collateralized loan obligations		101,601		(1,642)		60,922		(1,612)		162,523		(3,254)
Obligations of state and political subdivisions		11,570		(110)		0		0		11,570		(110)
Corporate and other debt securities		31,342		(416)		0		0		31,342		(416)
Commercial mortgage backed securities		37,838		(720)		0		0		37,838		(720)
Total temporarily impaired securities	$	443,830	$	(6,030)	$	254,229	$	(6,673)	$	698,059	$	(12,703)