SECURITIES AVAILABLE FOR SALE (Tables)

6 Months Ended

Jun. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Summary of Securities Available for Sale

			Gross		Gross
			Unrealized		Unrealized
(in thousands)	Amortized Cost		Gains		Losses		Fair Value
June 30, 2020
Debt securities:
Mortgage-backed securities:
US Government-sponsored enterprises	$	258,169	$	9,701	$	(426)	$	267,444
US Government agency		94,894		3,845		(84)		98,655
Private label		20,200		41		(874)		19,367
Obligations of states and political subdivisions thereof		153,802		5,514		(29)		159,287
Corporate bonds		98,248		1,141		(2,568)		96,821
Total securities available for sale	$	625,313	$	20,242	$	(3,981)	$	641,574

			Gross		Gross
			Unrealized		Unrealized
(in thousands)	Amortized Cost		Gains		Losses		Fair Value
December 31, 2019
Debt securities:
Mortgage-backed securities:
US Government-sponsored enterprises	$	319,064	$	4,985	$	(2,080)	$	321,969
US Government agency		98,568		1,640		(547)		99,661
Private label		20,212		68		(747)		19,533
Obligations of states and political subdivisions thereof		139,240		3,034		(268)		142,006
Corporate bonds		78,804		1,478		(221)		80,061
Total securities available for sale	$	655,888	$	11,205	$	(3,863)	$	663,230

Schedule of Amortized Cost and Estimated Fair Value of Available for Sale (AFS) Securities, Segregated by Contractual Maturity

	Available for sale
(in thousands)	Amortized Cost		Fair Value
Within 1 year	$	—	$	—
Over 1 year to 5 years		26,069		26,368
Over 5 years to 10 years		70,676		69,548
Over 10 years		155,305		160,192
Total bonds and obligations		252,050		256,108
Mortgage-backed securities		373,263		385,466
Total securities available for sale	$	625,313	$	641,574

Schedule of Gains and Losses from Sale of AFS Securities

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2020		2019		2020		2019
Gross gains on sales of available for sale securities	$	1,362	$	—	$	1,508	$	—
Gross losses on sales of available for sale securities		(11)		—		(22)		—
Net gains on sale of available for sale securities	$	1,351	$	—	$	1,486	$	—

Schedule of Securities with Unrealized Losses, Segregated by the Duration of Continuous Unrealized Loss Positions

	Less Than Twelve Months				Over Twelve Months				Total
	Gross				Gross				Gross
	Unrealized		Fair		Unrealized		Fair		Unrealized		Fair
(In thousands)	Losses		Value		Losses		Value		Losses		Value
June 30, 2020
Debt securities:
Mortgage-backed securities:
US Government-sponsored enterprises	$	187	$	39,157	$	239	$	4,047	$	426	$	43,204
US Government agency		57		5,177		27		1,674		84		6,851
Private label		3		112		871		19,133		874		19,245
Obligations of states and political subdivisions thereof		29		11,564		—		—		29		11,564
Corporate bonds		2,332		45,854		236		4,765		2,568		50,619
Total securities available for sale	$	2,608	$	101,864	$	1,373	$	29,619	$	3,981	$	131,483

	Less Than Twelve Months				Over Twelve Months				Total
	Gross				Gross				Gross
	Unrealized		Fair		Unrealized		Fair		Unrealized		Fair
(In thousands)	Losses		Value		Losses		Value		Losses		Value
December 31, 2019
Debt securities:
Mortgage-backed securities:
US Government-sponsored enterprises	$	1,074	$	43,429	$	1,006	$	49,712	$	2,080	$	93,141
US Government agency		432		19,717		115		9,120		547		28,837
Private label		380		9,843		367		9,411		747		19,254
Obligations of states and political subdivisions thereof		137		29,355		131		1,682		268		31,037
Corporate bonds		142		9,888		79		12,276		221		22,164
Total securities available for sale	$	2,165	$	112,232	$	1,698	$	82,201	$	3,863	$	194,433

Schedule of Other Than Temporary Impairment Losses

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Estimated credit losses as of prior year-end	$	1,697	$	1,697	$	1,697	$	1,697
Reductions for securities paid off during the period		—		—		—		—
Estimated credit losses at end of the period	$	1,697	$	1,697	$	1,697	$	1,697