INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2017

Investments, Debt and Equity Securities [Abstract]

Portfolio of Available-for-Sale Investment Securities

The portfolio of securities consisted of the following (in thousands):

	December 31, 2017
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale:
Obligations of state and political subdivisions	$	23,042	$	209	$	442	$	22,809
GSE mortgage-backed securities	58,620		825		321		59,124
Collateralized mortgage obligations: residential	202,573		90		4,508		198,155
Collateralized mortgage obligations: commercial	2,274		—		34		2,240
Mutual funds	2,100		—		39		2,061
Corporate debt securities	23,975		837		10		24,802
	$	312,584	$	1,961	$	5,354	$	309,191

	December 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale:
Obligations of state and political subdivisions	$	29,935	$	226	$	1,020	$	29,141
GSE mortgage-backed securities	72,144		1,736		302		73,578
Collateralized mortgage obligations: residential	223,602		206		3,606		220,202
Collateralized mortgage obligations: commercial	3,135		—		53		3,082
Mutual funds	2,100		—		41		2,059
Corporate debt securities	13,500		311		—		13,811
	$	344,416	$	2,479	$	5,022	$	341,873

Portfolio of Held-to-Maturity Securities

	December 31, 2017
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity:
Obligations of state and political subdivisions	$	35,908	$	265	$	22	$	36,151
GSE mortgage-backed securities	35,751		171		219		35,703
Collateralized mortgage obligations: residential	7,450		—		321		7,129
Collateralized mortgage obligations: commercial	1,943		—		6		1,937
	$	81,052	$	436	$	568	$	80,920

	December 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity:
Obligations of state and political subdivisions	$	40,515	$	309	$	39	$	40,785
GSE mortgage-backed securities	44,375		426		311		44,490
Collateralized mortgage obligations: residential	8,969		—		323		8,646
Collateralized mortgage obligations: commercial	4,352		—		12		4,340
	$	98,211	$	735	$	685	$	98,261

Summary of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity

The amortized cost and fair value of debt securities at December 31, 2017 by contractual maturity are shown below (in thousands).  Actual maturities may differ from contractual maturities because of rights to call or repay obligations with or without penalties and scheduled and unscheduled principal payments on mortgage-backed securities and collateralized mortgage obligations.

	Amortized Cost		Fair Value
Available-for-sale:
Due in one year or less	$	1,135	$	1,136
Due after one year through five years	8,425		8,595
Due after five years through ten years	42,340		43,299
Due after ten years	258,584		254,100
	$	310,484	$	307,130

	Amortized Cost		Fair Value
Held-to-maturity:
Due in one year or less	$	1,201	$	1,202
Due after one year through five years	5,395		5,385
Due after five years through ten years	41,784		41,968
Due after ten years	32,672		32,365
	$	81,052	$	80,920

Schedule of Investment Securities with Unrealized Losses

Details concerning investment securities with unrealized losses are as follows (in thousands):

	December 31, 2017
	Securities with losses under 12 months				Securities with losses over 12 months				Total
	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
Available-for-sale:
Obligations of state and political subdivisions	$	596	$	5	$	12,716	$	437	$	13,312	$	442
GSE mortgage-backed securities	29,725		224		5,858		97		35,583		321
Collateralized mortgage  obligations: residential	57,665		548		137,598		3,960		195,263		4,508
Collateralized mortgage  obligations: commercial	—		—		2,240		34		2,240		34
Mutual funds	2,061		39		—		—		2,061		39
Corporate debt securities	2,990		10		—		—		2,990		10
	$	93,037	$	826	$	158,412	$	4,528	$	251,449	$	5,354

	December 31, 2016
	Securities with losses under 12 months				Securities with losses over 12 months				Total
	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
Available-for-sale:
Obligations of state and political subdivisions	$	13,402	$	1,020	$	—	$	—	$	13,402	$	1,020
GSE mortgage-backed securities	29,119		302		—		—		29,119		302
Collateralized mortgage  obligations: residential	187,235		3,099		14,194		507		201,429		3,606
Collateralized mortgage  obligations: commercial	961		4		2,121		49		3,082		53
Mutual funds	2,059		41		—		—		2,059		41
	$	232,776	$	4,466	$	16,315	$	556	$	249,091	$	5,022

	December 31, 2017
	Securities with losses under 12 months				Securities with losses over 12 months				Total
	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
Held-to-maturity:
Obligations of state and political subdivisions	$	6,340	$	22	$	—	$	—	$	6,340	$	22
GSE mortgage-backed securities	11,201		89		4,961		130		16,162		219
Collateralized mortgage obligations: residential	—		—		7,129		321		7,129		321
Collateralized mortgage obligations: commercial	1,937		6		—		—		1,937		6
	$	19,478	$	117	$	12,090	$	451	$	31,568	$	568

	December 31, 2016
	Securities with losses under 12 months				Securities with losses over 12 months				Total
	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
Held-to-maturity:
Obligations of state and political subdivisions	$	8,054	$	39	$	—	$	—	$	8,054	$	39
GSE mortgage-backed securities	19,408		311		—		—		19,408		311
Collateralized mortgage obligations: residential	—		—		8,645		323		8,645		323
Collateralized mortgage obligations: commercial	4,340		12		—		—		4,340		12
	$	31,802	$	362	$	8,645	$	323	$	40,447	$	685