Notes Tables

Schedule of Nonaccrual Loans and Related Allowance and Charge Off [Table Text Block]

	*March 31, 2025*
	*Unpaid Principal Balance*		*Recorded Investment*		*Allowance*
	(In thousands)

With no allocated allowance:
Commercial loans	$	50,294	$	47,257	$	—
Commercial real estate loans		91,320		76,622		—
Residential mortgage loans and equity lines		17,620		17,136		—
Subtotal	$	159,234	$	141,015	$	—

With allocated allowance:
Commercial loans	$	18,794	$	6,105	$	2,423
Commercial real estate loans		187		180		1
Residential mortgage loans and equity lines		7,980		7,326		29
Subtotal	$	26,961	$	13,611	$	2,453
Total non-accrual loans	$	186,195	$	154,626	$	2,453

	*December 31, 2024*
	*Unpaid Principal Balance*		*Recorded Investment*		*Allowance*
	(In thousands)

With no allocated allowance:
Commercial loans	$	56,022	$	53,499	$	—
Commercial real estate loans		100,316		82,936		—
Residential mortgage loans and equity lines		19,340		18,831		—
Subtotal	$	175,678	$	155,266	$	—

With allocated allowance:
Commercial loans	$	18,769	$	6,267	$	1,208
Commercial mortgage loans		194		193		1
Residential mortgage loans and equity lines		7,786		7,435		29
Subtotal	$	26,749	$	13,895	$	1,238
Total non-accrual loans	$	202,427	$	169,161	$	1,238

Financing Receivable, Past Due [Table Text Block]

	*March 31, 2025*
	*Accruing*
	*30-59 Days Past Due*		*60-89 Days Past Due*		*90 Days or More Past Due*		*Non-accrual Loans*		*Total Past Due*		*Loans Not Past Due*		*Total*
	(In thousands)
Type of Loans:
Commercial loans	$	71,018	$	294	$	595	$	53,362	$	125,269	$	2,873,154	$	2,998,423
Construction loans		13,806		7,813		—		—		21,619		311,110		332,729
Commercial real estate loans		57,707		7,832		—		76,802		142,341		10,018,593		10,160,934
Residential mortgage loans and equity lines		35,413		2,904		—		24,462		62,779		5,791,969		5,854,748
Installment and other loans		200		—		—		—		200		5,969		6,169
Total loans	$	178,144	$	18,843	$	595	$	154,626	$	352,208	$	19,000,795	$	19,353,003

	*December 31, 2024*
	*Accruing*
	*30-59 Days Past Due*		*60-89 Days Past Due*		*90 Days or More Past Due*		*Non-accrual Loans*		*Total Past Due*		*Loans Not Past Due*		*Total*
	(In thousands)
Type of Loans:
Commercial loans	$	25,164	$	275	$	2,590	$	59,767	$	87,796	$	3,010,208	$	3,098,004
Construction loans		5,334		—		—		—		5,334		314,315		319,649
Commercial real estate loans		16,525		13,934		1,460		83,128		115,047		9,918,783		10,033,830
Residential mortgage loans and equity lines		39,018		6,651		—		26,266		71,935		5,847,157		5,919,092
Installment and other loans		—		—		—		—		—		5,380		5,380
Total loans	$	86,041	$	20,860	$	4,050	$	169,161	$	280,112	$	19,095,843	$	19,375,955

Financing Receivable, Modified, Subsequent Default [Table Text Block]

	Three Months Ended March 31, 2025
	Term Extension		Payment Delay		Combo-Rate Reduction/Term Extension/Payment Delay		Total
	(In thousands)
Loan Type
Commercial loans	$	1,610	$	130	$	—	$	1,740
Total	$	1,610	$	130	$	—	$	1,740

Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year [Table Text Block]

	*Loans Amortized Cost Basis by Origination Year*
March 31, 2025	*2025*		*2024*		*2023*		*2022*		*2021*		*Prior*		*Revolving Loans*		*Revolving Converted to Term Loans*		*Total*
	(In thousands)
Commercial loans
Pass/Watch	$	63,767	$	330,063	$	225,877	$	165,477	$	189,361	$	111,102	$	1,653,632	$	7,519	$	2,746,798
Special Mention		—		—		17,017		3,473		—		12,573		110,287		—		143,350
Substandard		—		—		5,070		10,560		3,763		28,132		61,099		749		109,373
Total	$	63,767	$	330,063	$	247,964	$	179,510	$	193,124	$	151,807	$	1,825,018	$	8,268	$	2,999,521
YTD gross write-offs	$	—	$	20	$	42	$	163	$	2,119	$	—	$	—	$	—	$	2,344
Construction loans
Pass/Watch	$	6,121	$	33,786	$	56,969	$	120,548	$	59,450	$	3,113	$	886	$	—	$	280,873
Special Mention		—		—		—		2,100		32,910		—		—		—		35,010
Substandard		—		—		4,230		—		—		11,706		—		—		15,936
Total	$	6,121	$	33,786	$	61,199	$	122,648	$	92,360	$	14,819	$	886	$	—	$	331,819
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate loans
Pass/Watch	$	362,249	$	1,482,810	$	1,971,002	$	1,679,321	$	1,393,421	$	2,740,738	$	187,137	$	—	$	9,816,678
Special Mention		19,987		1,733		7,765		19,437		11,420		30,248		19,201		—		109,791
Substandard		—		—		11,348		54,030		62,419		89,230		5,841		3,200		226,068
Total	$	382,236	$	1,484,543	$	1,990,115	$	1,752,788	$	1,467,260	$	2,860,216	$	212,179	$	3,200	$	10,152,537
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Residential mortgage loans
Pass/Watch	$	152,995	$	609,493	$	983,090	$	988,664	$	758,304	$	2,094,351	$	—	$	—	$	5,586,897
Special Mention		—		498		375		3,027		831		7,254		—		—		11,985
Substandard		29		1,041		2,274		4,772		3,620		14,099		—		—		25,835
Total	$	153,024	$	611,032	$	985,739	$	996,463	$	762,755	$	2,115,704	$	—	$	—	$	5,624,717
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	—	$	—	$	—	$	—	$	—	$	211,828	$	17,163	$	228,991
Substandard		—		—		—		—		—		—		2,760		147		2,907
Total	$	—	$	—	$	—	$	—	$	—	$	—	$	214,588	$	17,310	$	231,898
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	—	$	—	$	—	$	854	$	—	$	—	$	—	$	—	$	854
Total	$	—	$	—	$	—	$	854	$	—	$	—	$	—	$	—	$	854
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total loans	$	605,148	$	2,459,424	$	3,285,017	$	3,052,263	$	2,515,499	$	5,142,546	$	2,252,671	$	28,778	$	19,341,346
Total YTD gross write-offs	$	—	$	20	$	42	$	163	$	2,119	$	—	$	—	$	—	$	2,344

	*Loans Amortized Cost Basis by Origination Year*
December 31, 2024	*2024*		*2023*		*2021*		*2020*		*2019*		*Prior*		*Revolving Loans*		*Revolving Converted to Term Loans*		*Total*
	(In thousands)
Commercial loans
Pass/Watch	$	400,836	$	237,303	$	203,190	$	201,837	$	27,359	$	90,724	$	1,675,260	$	7,804	$	2,844,313
Special Mention		—		17,424		740		—		9,117		5,139		92,632		—		125,052
Substandard		50		5,070		12,104		6,773		22,357		6,256		67,553		222		120,385
Doubtful		1,857		—		—		3,118		—		—		—		—		4,975
Total	$	402,743	$	259,797	$	216,034	$	211,728	$	58,833	$	102,119	$	1,835,445	$	8,026	$	3,094,725
YTD gross write-offs	$	188	$	1,586	$	3,151	$	8,950	$	257	$	64	$	12,730	$	—	$	26,926
Construction loans
Pass/Watch	$	22,562	$	55,835	$	126,200	$	57,546	$	3,021	$	—	$	—	$	—	$	265,164
Special Mention		—		—		—		35,569		13,837		—		—		—		49,406
Substandard		—		4,230		—		—		—		—		—		—		4,230
Total	$	22,562	$	60,065	$	126,200	$	93,115	$	16,858	$	—	$	—	$	—	$	318,800
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate loans
Pass/Watch	$	1,463,225	$	1,987,280	$	1,724,563	$	1,428,124	$	800,645	$	2,108,143	$	180,394	$	—	$	9,692,374
Special Mention		8,805		8,292		28,465		16,462		24,844		19,888		9,939		—		116,695
Substandard		—		11,364		54,269		57,929		6,946		78,737		8,152		—		217,397
Total	$	1,472,030	$	2,006,936	$	1,807,297	$	1,502,515	$	832,435	$	2,206,768	$	198,485	$	—	$	10,026,466
YTD gross write-offs	$	—	$	—	$	—	$	—	$	296	$	4,173	$	—	$	—	$	4,469
Residential mortgage loans
Pass/Watch	$	642,568	$	1,020,419	$	1,014,842	$	781,218	$	452,623	$	1,745,923	$	—	$	—	$	5,657,593
Special Mention		—		—		—		—		33		1,585		—		—		1,618
Substandard		397		2,513		4,362		5,183		4,191		13,436		—		—		30,082
Total	$	642,965	$	1,022,932	$	1,019,204	$	786,401	$	456,847	$	1,760,944	$	—	$	—	$	5,689,293
YTD gross write-offs	$	—	$	—	$	—	$	59	$	—	$	—	$	—	$	—	$	59
Equity lines
Pass/Watch	$	—	$	—	$	72	$	—	$	—	$	—	$	211,374	$	16,277	$	227,723
Special Mention		—		—		—		—		—		—		—		11		11
Substandard		—		—		—		—		—		—		2,927		161		3,088
Total	$	—	$	—	$	72	$	—	$	—	$	—	$	214,301	$	16,449	$	230,822
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	3	$	—	$	3
Installment and other loans
Pass/Watch	$	5,264	$	—	$	44	$	—	$	—	$	—	$	—	$	—	$	5,308
Total	$	5,264	$	—	$	44	$	—	$	—	$	—	$	—	$	—	$	5,308
YTD gross write-offs	$	—	$	—	$	15	$	—	$	—	$	—	$	—	$	—	$	15
Total loans	$	2,545,564	$	3,349,730	$	3,168,851	$	2,593,759	$	1,364,973	$	4,069,831	$	2,248,231	$	24,475	$	19,365,414
Total YTD gross write-offs	$	188	$	1,586	$	3,166	$	9,009	$	553	$	4,237	$	12,733	$	—	$	31,472