Securities (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Debt Securities, Held-to-maturity [Table Text Block]

					Gross		Gross		Allowance
	Amortized				Unrecognized		Unrecognized		for Credit
	Cost		Fair Value		Gains		Losses		Losses
	(In thousands)
Securities held-to-maturity:
Municipals	$	50,825	$	54,538	$	3,713	$	—	$	(907)
Total municipals		50,825		54,538		3,713		—		(907)
FNMA		7,914		8,991		1,077		—		—
Total mortgage-backed securities		7,914		8,991		1,077		—		—
Total	$	58,739	$	63,529	$	4,790	$	—	$	(907)

					Gross		Gross		Allowance
	Amortized				Unrecognized		Unrecognized		for Credit
	Cost		Fair Value		Gains		Losses		Losses
	(In thousands)
Securities held-to-maturity:
Municipals	$	50,954	$	53,998	$	3,044	$	—	$	—
Total municipals		50,954		53,998		3,044		—		—
FNMA		7,934		8,114		180		—		—
Total mortgage-backed securities		7,934		8,114		180		—		—
Total	$	58,888	$	62,112	$	3,224	$	—	$	—

					Gross		Gross
	Amortized				Unrealized		Unrealized
	Cost		Fair Value		Gains		Losses
	(In thousands)
U.S. government agencies	$	6,452	$	6,453	$	2	$	1
Corporate		130,000		123,865		131		6,266
Mutual funds		12,703		12,703		—		—
Collateralized loan obligations		100,561		99,198		—		1,363
Other		1,295		1,295		—		—
Total other securities		251,011		243,514		133		7,630
REMIC and CMO		175,142		180,877		5,735		—
GNMA		13,009		13,053		66		22
FNMA		143,154		146,169		3,046		31
FHLMC		63,796		64,361		648		83
Total mortgage-backed securities		395,101		404,460		9,495		136
Total securities available for sale	$	646,112	$	647,974	$	9,628	$	7,766

					Gross		Gross
	Amortized				Unrealized		Unrealized
	Cost		Fair Value		Gains		Losses
	(In thousands)
Corporate	$	130,000	$	123,050	$	—	$	6,950
Municipals		12,797		12,916		119		—
Mutual funds		12,216		12,216		—		—
Collateralized loan obligations		100,349		99,137		—		1,212
Other		1,332		1,332		—		—
Total other securities		256,694		248,651		119		8,162
REMIC and CMO		348,236		348,989		2,193		1,440
GNMA		653		704		51		—
FNMA		104,235		104,882		1,073		426
FHLMC		68,476		69,274		871		73
Total mortgage-backed securities		521,600		523,849		4,188		1,939
Total securities available for sale	$	778,294	$	772,500	$	4,307	$	10,101

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized
	Cost		Fair Value
	(In thousands)
Due after ten years	$	50,825	$	54,538
Total other securities		50,825		54,538
Mortgage-backed securities		7,914		8,991
Total securities held-to-maturity	$	58,739	$	63,529

	Amortized
	Cost		Fair Value
	(In thousands)
Due after one year through five years	$	45,000	$	43,738
Due after five years through ten years		138,730		133,201
Due after ten years		54,578		53,872
Total other securities		238,308		230,811
Mutual funds		12,703		12,703
Mortgage-backed securities		395,101		404,460
Total securities available for sale	$	646,112	$	647,974

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

		Total				Less than 12 months				12 months or more
				Unrealized				Unrealized				Unrealized
	Count	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
	(Dollars in thousands)
Available for sale securities
U.S. government agencies	1	$	4,988	$	1	$	4,988	$	1	$	—	$	—
Corporate	14		113,734		6,266		—		—		113,734		6,266
CLO	13		99,199		1,363		7,441		52		91,758		1,311
Total other securities	28		217,921		7,630		12,429		53		205,492		7,577
GNMA	1		10,341		22		10,341		22		—		—
FNMA	5		32,463		31		23,864		28		8,599		3
FHLMC	3		30,095		83		30,095		83		—		—
Total mortgage-backed securities	9		72,899		136		64,300		133		8,599		3
Total securities available for sale	37	$	290,820	$	7,766	$	76,729	$	186	$	214,091	$	7,580

		Total				Less than 12 months				12 months or more
				Unrealized				Unrealized				Unrealized
	Count	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
	(Dollars in thousands)
Available for sale securities
Corporate	16	$	123,050	$	6,950	$	—	$	—	$	123,050	$	6,950
CLO	13		99,137		1,212		25,451		108		73,686		1,104
Total other securities	29		222,187		8,162		25,451		108		196,736		8,054
REMIC and CMO	23		120,989		1,440		102,384		1,117		18,605		323
GNMA	1		49		—		49		—		—		—
FNMA	8		67,618		426		19,073		138		48,545		288
FHLMC	1		30,200		73		—		—		30,200		73
Total mortgage-backed securities	33		218,856		1,939		121,506		1,255		97,350		684
Total securities available for sale	62	$	441,043	$	10,101	$	146,957	$	1,363	$	294,086	$	8,738

Schedule of allowance for credit losses for debt securities held-to-maturity

	Mortgage-backed securities		Other securities
	(In thousands)
Beginning balance	$	—	$	—
CECL adoption		—		340
Provision		—		567
Allowance for credit losses - securities	$	—	$	907

Schedule of Realized Gain (Loss) [Table Text Block]

	For the years ended
	December 31,
	2020		2019		2018
	(In thousands)
Gross gains from the sale of securities	$	1,499	$	423	$	105
Gross losses from the sale of securities		(2,200)		(438)		(2,025)
Net losses from the sale of securities	$	(701)	$	(15)	$	(1,920)