Investment Securities (Tables)

6 Months Ended

Jun. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-Sale Investment Securities

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

	June 30, 2017
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale:
Obligations of state and political subdivisions	$	24,902	$	271	$	338	$	24,835
GSE mortgage-backed securities	74,948		1,799		7		76,740
Collateralized mortgage obligations: residential	222,076		400		1,804		220,672
Collateralized mortgage obligations: commercial	2,573		—		24		2,549
Mutual funds	2,100		—		23		2,077
Corporate debt securities	20,974		733		—		21,707
	$	347,573	$	3,203	$	2,196	$	348,580
	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

Schedule of Held-to-Maturity Securities

	June 30, 2017
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity:
Obligations of state and political subdivisions	$	36,482	$	724	$	—	$	37,206
GSE mortgage-backed securities	39,817		569		82		40,304
Collateralized mortgage obligations: residential	8,240		—		218		8,022
Collateralized mortgage obligations: commercial	2,923		5		—		2,928
	$	87,462	$	1,298	$	300	$	88,460
	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 following table presents the amortized cost and fair value of debt securities at June 30, 2017 by contractual maturity (in thousands).   Actual maturities will 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	$	1,139	$	1,142
Due after one year through five years	8,265		8,484
Due after five years through ten years	53,450		55,145
Due after ten years	282,619		281,732
	$	345,473	$	346,503
	Amortized Cost		Fair Value
Held-to-maturity:
Due in one year or less	$	1,235	$	1,236
Due after one year through five years	5,633		5,699
Due after five years through ten years	42,646		43,368
Due after ten years	37,948		38,157
	$	87,462	$	88,460

Schedule of Investment Securities with Unrealized Losses

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

	June 30, 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	$	12,843	$	338	$	—	$	—	$	12,843	$	338
GSE mortgage-backed  securities	6,440		7		—		—		6,440		7
Collateralized mortgage  obligations: residential	142,077		1,380		20,155		424		162,232		1,804
Collateralized mortgage  obligations: commercial	—		—		2,549		24		2,549		24
Mutual funds	2,077		23		—		—		2,077		23
	$	163,437	$	1,748	$	22,704	$	448	$	186,141	$	2,196
	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

	June 30, 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:
GSE mortgage-backed securities	$	5,488	$	82	$	—		$	—	$	5,488	$	82
Collateralized mortgage obligations: residential	—		—		8,022		—	218		8,022		218
	$	5,488	$	82	$	8,022		$	218	$	13,510	$	300
	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