Notes Tables

	*December 31,*
	*2023*			*2022*
	(In thousands)
Balance at beginning of year	$	33,217		$	38,532
Additional loans made		20,160			25,050
Payment received		(7,670	)		(30,365	)
Balance at end of year	$	45,707		$	33,217

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

	*As of December 31, 2023*
	*Unpaid Principal Balance*		*Recorded Investment*		*Allowance*
	(In thousands)
With no allocated allowance:
Commercial loans	$	26,310	$	14,404	$	—
Construction loans		7,736		7,736		—
Commercial real estate loans		41,725		32,030		—
Residential mortgage and equity lines		12,957		12,511		—
Installment and other loans		—		—		—
Subtotal	$	88,728	$	66,681	$	—
With allocated allowance:
Commercial loans	$	—	$	—	$	—
Commercial real estate loans		—		—		—
Residential mortgage and equity lines		—		—		—
Subtotal	$	—	$	—	$	—
Total non-accrual loans	$	88,728	$	66,681	$	—

	*As of December 31, 2022*
	*Unpaid Principal Balance*		*Recorded Investment*		*Allowance*
	(In thousands)
With no allocated allowance:
Commercial loans	$	27,341	$	12,949	$	—
Commercial real estate loans		37,697		32,205		—
Residential mortgage and equity lines		9,626		8,978
Installment and other loans		9		8		—
Subtotal	$	74,673	$	54,140	$	—
With allocated allowance:
Commercial loans	$	14,643	$	12,823	$	3,734
Commercial real estate loans		1,896		1,891		207
Subtotal	$	16,539	$	14,714	$	3,941
Total non-accrual loans	$	91,212	$	68,854	$	3,941

Schedule Of Troubled Debt Restructurings [Table Text Block]

	*Loans Modified as TDRs During the Year Ended December 31, 2022*
	*No. of Contracts*		*Pre-Modification Outstanding Recorded Investment*		*Post-Modification Outstanding Recorded Investment*		*Specific Reserve*		*Charge-offs*
	(Dollars in thousands)

Commercial loans		4	$	6,115	$	6,115	$	427	$	—
Commercial real estate loans		3		3,676		3,669		—		—
Residential mortgage and equity lines		8		2,189		2,162		—		—
Total		15	$	11,980	$	11,946	$	427	$	—

	*Loans Modified as TDRs During the Year Ended December 31, 2021*
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Specific Reserve ⁽¹⁾		*Charge-off*
	(Dollars in thousands)

Commercial loans		3	$	2,150	$	2,150	$	—	$	—
Residential mortgage and equity lines		2		3		3		—		—
Total		5	$	2,153	$	2,153	$	—	$	—

Financing Receivable, Modified, Performance [Table Text Block]

	*Twelve Months Ended December 31, 2023*
	*Current*		*30–89 Days Past Due*		*90+ Days Past Due*		*Total*
	(In thousands)
Loan Type
Commercial loans	$	2,650	$	—	$	—	$	2,650
Residential mortgage loans		222		—		—		222
Total	$	2,872	$	—	$	—	$	2,872

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

	*Loans Amortized Cost Basis by Origination Year*
December 31, 2023	*2023*		*2022*		*2021*		*2020*		*2019*		*Prior*		*Revolving Loans*		*Revolving Converted to Term Loans*		*Total*
	(In thousands)
Commercial loans
Pass/Watch	$	381,705	$	323,939	$	326,650	$	96,725	$	75,281	$	136,162	$	1,775,162	$	8,308	$	3,123,932
Special Mention		4,488		4,875		8,559		23,380		—		—		75,419		—		116,721
Substandard		1,752		653		9,895		2,462		763		5,775		40,131		116		61,547
Doubtful		—		—		—		—		—		—		—		—		—
Total	$	387,945	$	329,467	$	345,104	$	122,567	$	76,044	$	141,937	$	1,890,712	$	8,424	$	3,302,200

YTD gross write-offs	$	—	$	977	$	1,312	$	384	$	3,672	$	6,044	$	1,520	$	—	$	13,909

Construction loans
Pass/Watch	$	29,550	$	131,984	$	153,977	$	19,461	$	13,298	$	3,131	$	—	$	—	$	351,401
Special Mention		1,911		—		11,707		25,389		—		22,998		—		—		62,005
Substandard		—		—		—		—		7,736		—		—		—		7,736
Total	$	31,461	$	131,984	$	165,684	$	44,850	$	21,034	$	26,129	$	—	$	—	$	421,142

YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	4,221	$	—	$	—	$	4,221

Commercial real estate loans
Pass/Watch	$	2,121,489	$	1,959,239	$	1,585,010	$	887,508	$	1,019,952	$	1,726,015	$	184,601	$	—	$	9,483,814
Special Mention		37,604		18,910		38,405		3,499		10,303		17,210		1,384		—		127,315
Substandard		—		11,870		12,170		2,965		17,293		66,205		—		—		110,503
Total	$	2,159,093	$	1,990,019	$	1,635,585	$	893,972	$	1,047,548	$	1,809,430	$	185,985	$	—	$	9,721,632

YTD gross write-offs	$	—	$	—	$	208	$	—	$	969	$	4,164	$	—	$	—	$	5,341
Residential mortgage loans
Pass/Watch	$	1,140,998	$	1,128,526	$	902,613	$	524,315	$	541,005	$	1,583,118	$	—	$	—	$	5,820,575
Special Mention		—		—		—		33		—		1,619		—		—		1,652
Substandard		7		652		3,325		2,577		1,334		9,311		—		—		17,206
Total	$	1,141,005	$	1,129,178	$	905,938	$	526,925	$	542,339	$	1,594,048	$	—	$	—	$	5,839,433

YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Equity lines
Pass/Watch	$	—	$	98	$	—	$	—	$	—	$	—	$	227,502	$	16,628	$	244,228
Special Mention		—		3		—		—		—		—		—		—		3
Substandard		—		—		—		—		—		—		2,511		173		2,684
Total	$	—	$	101	$	—	$	—	$	—	$	—	$	230,013	$	16,801	$	246,915

YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Installment and other loans
Pass/Watch	$	5,114	$	981	$	3	$	—	$	—	$	—	$	—	$	—	$	6,098
Total	$	5,114	$	981	$	3	$	—	$	—	$	—	$	—	$	—	$	6,098

YTD gross write-offs	$	—	$	15	$	—	$	—	$	—	$	—	$	—	$	—	$	15
Total loans	$	3,724,618	$	3,581,730	$	3,052,314	$	1,588,314	$	1,686,965	$	3,571,544	$	2,306,710	$	25,225	$	19,537,420
Total YTD gross write-offs	$	—	$	992	$	1,520	$	384	$	4,641	$	14,429	$	1,520	$	—	$	23,486

	*Loans Amortized Cost Basis by Origination Year*
December 31, 2022	*2022*		*2021*		*2020*		*2019*		*2018*		*Prior*		*Revolving Loans*		*Revolving Converted to Term Loans*		*Total*
	(In thousands)
Commercial loans
Pass/Watch	$	488,748	$	446,647	$	180,226	$	119,355	$	107,896	$	106,649	$	1,753,509	$	6,560	$	3,209,590
Special Mention		1,212		4,696		2,818		68		308		4,354		41,110		—		54,566
Substandard		25		12,750		342		4,859		2,766		6,985		22,084		133		49,944
Doubtful		—		—		—		1,504		2,185		—		234		—		3,923
Total	$	489,985	$	464,093	$	183,386	$	125,786	$	113,155	$	117,988	$	1,816,937	$	6,693	$	3,318,023

YTD gross write-offs	$	96	$	587	$	120	$	71	$	1,786	$	360	$	202	$	—	$	3,222

Construction loans
Pass/Watch	$	99,798	$	264,197	$	113,312	$	20,479	$	3,067	$	—	$	—	$	—	$	500,853
Special Mention		—		360		9,449		11,643		22,945		—		—		—		44,397
Substandard		—		—		—		1,736		9,309		—		—		—		11,045
Total	$	99,798	$	264,557	$	122,761	$	33,858	$	35,321	$	—	$	—	$	—	$	556,295

YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Commercial real estate loans
Pass/Watch	$	2,087,650	$	1,728,607	$	975,953	$	1,094,505	$	908,748	$	1,420,982	$	178,116	$	—	$	8,394,561
Special Mention		22,150		57,015		25,593		32,119		17,999		63,782		1,600		—		220,258
Substandard		12,320		7,861		14,392		19,972		34,899		81,844		2,631		—		173,919
Total	$	2,122,120	$	1,793,483	$	1,015,938	$	1,146,596	$	961,646	$	1,566,608	$	182,347	$	—	$	8,788,738

YTD gross write-offs	$	—	$	—	$	—	$	—	$	2,152	$	—	$	—	$	—	$	2,152
Residential mortgage loans
Pass/Watch	$	1,228,391	$	964,799	$	580,990	$	600,786	$	417,565	$	1,444,320	$	—	$	—	$	5,236,851
Special Mention		—		—		33		—		752		905		—		—		1,690
Substandard		206		762		2,028		1,966		1,799		8,785		—		—		15,546
Total	$	1,228,597	$	965,561	$	583,051	$	602,752	$	420,116	$	1,454,010	$	—	$	—	$	5,254,087

YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Equity lines
Pass/Watch	$	731	$	—	$	—	$	—	$	—	$	—	$	302,825	$	21,460	$	325,016
Special Mention		5		—		—		—		—		—		—		—		5
Substandard		12		—		—		—		—		—		1,043		220		1,275
Total	$	748	$	—	$	—	$	—	$	—	$	—	$	303,868	$	21,680	$	326,296

YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Installment and other loans
Pass/Watch	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
Total	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944

YTD gross write-offs	$	116	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	116
Total loans	$	3,943,040	$	3,489,846	$	1,905,136	$	1,908,992	$	1,530,238	$	3,138,606	$	2,303,152	$	28,373	$	18,247,383
Total YTD gross write-offs	$	212	$	587	$	120	$	71	$	3,938	$	360	$	202	$	—	$	5,490