Borrowings (Tables) - Debt Instrument [Domain]

9 Months Ended

Sep. 30, 2019

Schedule of Repurchase Agreements [Table Text Block]

		September 30, 2019		December 31, 2018
			Repurchase		Repurchase
(In thousands)			liability		liability
U.S. Treasury securities
	Within 30 days	$	9,400	$	138,689
	After 30 to 90 days		29,386		79,374
	After 90 days		142,818		19,558
Total U.S. Treasury securities			181,604		237,621
Obligations of U.S. government sponsored entities
	After 30 to 90 days		-		6,055
Total obligations of U.S. government sponsored entities			-		6,055
Mortgage-backed securities
	Within 30 days		30,184		6,859
	After 90 days		-		20,465
Total mortgage-backed securities			30,184		27,324
Collateralized mortgage obligations
	Within 30 days		1,309		10,529
Total collateralized mortgage obligations			1,309		10,529
Total		$	213,097	$	281,529

Schedule of Notes Payable [Table Text Block]

(In thousands)	September 30, 2019		December 31, 2018
Advances with the FHLB with maturities ranging from 2019 through 2029 paying interest at monthly fixed rates ranging from 1.04% to 4.19%	$	472,355	$	524,052
Advances with the FHLB paying interest monthly at a floating rate		-		13,000
Advances with the FHLB maturing on 2019 paying interest quarterly at a floating rate of 0.24% over the 3 month LIBOR		14,430		19,724
Unsecured senior debt securities maturiting on 2023 paying interest semiannually at a fixed rate of 6.125%, net of debt issuance costs of $ 5,010		294,990		294,039
Junior subordinated deferrable interest debentures (related to trust preferred securities) with maturities ranging from 2033 to 2034 with fixed interest rates ranging from 6.125% to 6.7%, net of debt issuance costs of $402		384,895		384,875
Capital lease obligations		-		20,412
Total notes payable	$	1,166,670	$	1,256,102
Note: Refer to the Corporation's 2018 Form 10-K for rates information at December 31, 2018.

Maturity Distribution Of Debt Securities [Text Block]

	Assets sold under
(In thousands)	agreements to repurchase		Notes payable		Total
2019	$	70,279	$	65,309	$	135,588
2020		142,818		139,996		282,814
2021		-		50,040		50,040
2022		-		103,148		103,148
2023		-		318,251		318,251
Later years		-		489,926		489,926
Total borrowings	$	213,097	$	1,166,670	$	1,379,767