INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2016

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, 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

	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale:
Obligations of state and political subdivisions	$	30,750	$	770	$	27	$	31,493
GSE mortgage-backed securities	84,946		2,321		229		87,038
Collateralized mortgage obligations: residential	194,067		297		2,276		192,088
Collateralized mortgage obligations: commercial	5,512		1		65		5,448
Mutual funds	2,100		—		8		2,092
	$	317,375	$	3,389	$	2,605	$	318,159

Portfolio of Held-to-Maturity Securities

	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

	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity:
Obligations of state and political subdivisions	$	43,737	$	697	$	6	$	44,428
GSE mortgage-backed securities	55,696		705		131		56,270
Collateralized mortgage obligations: residential	10,803		—		361		10,442
Collateralized mortgage obligations: commercial	6,556		2		—		6,558
	$	116,792	$	1,404	$	498	$	117,698

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, 2016 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	$	2,166	$	2,179
Due after one year through five years	11,341		11,540
Due after five years through ten years	49,661		51,053
Due after ten years	279,148		275,042
	$	342,316	$	339,814

	Amortized Cost		Fair Value
Held-to-maturity:
Due in one year or less	$	347	$	347
Due after one year through five years	6,427		6,445
Due after five years through ten years	32,837		33,310
Due after ten years	58,600		58,159
	$	98,211	$	98,261

Schedule of Investment Securities with Unrealized Losses

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

	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, 2015
	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	$	1,192	$	27	$	—	$	—	$	1,192	$	27
GSE mortgage-backed securities	21,607		229		—		—		21,607		229
Collateralized mortgage  obligations: residential	140,999		1,207		30,029		1,069		171,028		2,276
Collateralized mortgage  obligations: commercial	—		—		2,946		65		2,946		65
Mutual funds	2,092		8		—		—		2,092		8
	$	165,890	$	1,471	$	32,975	$	1,134	$	198,865	$	2,605

	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

	December 31, 2015
	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	$	541	$	1	$	505	$	5	$	1,046	$	6
GSE mortgage-backed securities	—		—		7,021		131		7,021		131
Collateralized mortgage obligations: residential	—		—		10,442		361		10,442		361
	$	541	$	1	$	17,968	$	497	$	18,509	$	498