Note 9 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	At September 30, 2022
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3) (1)
	(In thousands)
Debt securities available for sale:
Agency residential MBS	$	296,689	$	-	$	296,689	$	-
Securities of U.S. Government sponsored entities		272,525		-		272,525		-
Obligations of states and political subdivisions		80,987		-		80,987		-
Corporate securities		2,138,508		-		2,138,508		-
Collateralized loan obligations		1,587,622		-		1,587,622		-
Total debt securities available for sale	$	4,376,331	$	-	$	4,376,331	$	-

	At December 31, 2021
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3) (1)
	(In thousands)
Debt securities available for sale:
Agency residential MBS	$	411,726	$	-	$	411,726	$	-
Securities of U.S. Government entities		119		-		119		-
Obligations of states and political subdivisions		93,920		-		93,920		-
Corporate securities		2,746,735		-		2,746,735		-
Collateralized loan obligations		1,386,355		-		1,386,355		-
Total debt securities available for sale	$	4,638,855	$	-	$	4,638,855	$	-

Fair Value Measurements, Nonrecurring [Table Text Block]

									For the Nine
									Months Ended
	At September 30, 2022								September 30, 2022
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Loans:
Commercial real estate	$	225	$	-	$	-	$	225	$	-
Total assets measured at fair value on a nonrecurring basis	$	225	$	-	$	-	$	225	$	-

									For the
									Year Ended
	At December 31, 2021								December 31, 2021
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Loans:
Commercial real estate	$	225	$	-	$	-	$	225	$	-
Residential real estate		172		-		-		172		-
Total assets measured at fair value on a nonrecurring basis	$	397	$	-	$	-	$	397	$	-

Fair Value, by Balance Sheet Grouping [Table Text Block]

	At September 30, 2022
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
Financial Assets:	(In thousands)
Cash and due from banks	$	413,665	$	413,665	$	413,665	$	-	$	-
Debt securities held to maturity		936,267		878,462		-		878,462		-
Loans		957,815		911,315		-		-		911,315
Financial Liabilities:
Deposits	$	6,495,256	$	6,494,193	$	-	$	6,358,473	$	135,720
Short-term borrowed funds		76,886		76,886		-		76,886		-

	At December 31, 2021
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
Financial Assets:	(In thousands)
Cash and due from banks	$	1,132,085	$	1,132,085	$	1,132,085	$	-	$	-
Debt securities held to maturity		306,396		312,562		-		312,562		-
Loans		1,044,612		1,059,072		-		-		1,059,072
Financial Liabilities:
Deposits	$	6,413,956	$	6,413,244	$	-	$	6,270,344	$	142,900
Short-term borrowed funds		146,246		146,246		-		146,246		-