SECURITIES AVAILABLE FOR SALE (Tables)

3 Months Ended

Mar. 31, 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
March 31, 2020
Debt securities:
Mortgage-backed securities:
US Government-sponsored enterprises	$	284,925	$	11,349	$	(617)	$	295,657
US Government agency		98,059		3,801		(191)		101,669
Private label		20,209		62		(1,772)		18,499
Obligations of states and political subdivisions thereof		134,258		3,636		(315)		137,579
Corporate bonds		76,191		1,497		(4,751)		72,937
Total securities available for sale	$	613,642	$	20,345	$	(7,646)	$	626,341

			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		30,554		31,547
Over 5 years to 10 years		56,401		52,656
Over 10 years		123,494		126,313
Total bonds and obligations		210,449		210,516
Mortgage-backed securities		403,193		415,825
Total securities available for sale	$	613,642	$	626,341

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
March 31, 2020
Debt securities:
Mortgage-backed securities:
US Government-sponsored enterprises	$	165	$	9,548	$	452	$	6,608	$	617	$	16,156
US Government agency		180		11,899		11		4,122		191		16,021
Private label		10		124		1,762		18,234		1,772		18,358
Obligations of states and political subdivisions thereof		315		17,862		—		—		315		17,862
Corporate bonds		3,831		29,977		920		5,330		4,751		35,307
Total securities available for sale	$	4,501	$	69,410	$	3,145	$	34,294	$	7,646	$	103,704

	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
	March 31,
	2020		2019
Estimated credit losses as of prior year-end	$	1,697	$	1,697
Reductions for securities paid off during the period		—		—
Estimated credit losses at end of the period	$	1,697	$	1,697