Note 3 - Loans and Allowance for Credit Losses on Loans - Internally Assigned Risk Grades of Loans (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Current Fiscal Year		$ 398,143		$ 1,536,103
Fiscal Year before Current Fiscal Year		1,443,670		1,142,216
Two Years before Current Fiscal Year		1,131,248		1,157,132
Three Years before Current Fiscal Year		1,059,640		856,207
Four Years before Current Fiscal Year		829,952		515,529
More than Five Years before Current Fiscal Year		939,502		485,235
Revolving		844,205		827,980
Financing Receivable, before Allowance for Credit Loss	[1]	6,646,360		6,520,402
Current period gross charge offs, current fiscal year		(261)		(1,054)
Current period gross charge, Fiscal Year before Current Fiscal Year offs		(71)		(618)
Current period gross charge offs, Two Years before Current Fiscal Year		(263)		(573)
Current period gross charge offs, Three Years before Current Fiscal Year		(2)		(119)
Current period gross charge offs, Four Years before Current Fiscal Year		0		(9)
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		(52)
Current period gross charge offs, Revolving		(17)		(351)
Charge-offs		(614)	$ (262)	(2,776)
Pass [Member]
Current Fiscal Year		387,836		1,489,363
Fiscal Year before Current Fiscal Year		1,407,230		1,121,456
Two Years before Current Fiscal Year		1,118,611		1,146,557
Three Years before Current Fiscal Year		1,046,700		835,159
Four Years before Current Fiscal Year		809,120		512,657
More than Five Years before Current Fiscal Year		913,289		461,121
Revolving		810,494		791,701
Financing Receivable, before Allowance for Credit Loss		6,493,280		6,358,014
Special Mention [Member]
Current Fiscal Year		8,893		30,737
Fiscal Year before Current Fiscal Year		26,365		4,995
Two Years before Current Fiscal Year		378		1,978
Three Years before Current Fiscal Year		2,994		12,752
Four Years before Current Fiscal Year		12,601		2,407
More than Five Years before Current Fiscal Year		18,588		17,090
Revolving		9,970		10,750
Financing Receivable, before Allowance for Credit Loss		79,789		80,709
Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		1,100		9,265
Fiscal Year before Current Fiscal Year		7,653		10,234
Two Years before Current Fiscal Year		8,654		6,574
Three Years before Current Fiscal Year		7,605		7,215
Four Years before Current Fiscal Year		7,438		71
More than Five Years before Current Fiscal Year		1,240		1,134
Revolving		23,736		25,459
Financing Receivable, before Allowance for Credit Loss		57,426		59,952
Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		314		6,738
Fiscal Year before Current Fiscal Year		2,422		5,531
Two Years before Current Fiscal Year		3,605		2,023
Three Years before Current Fiscal Year		2,341		1,081
Four Years before Current Fiscal Year		793		394
More than Five Years before Current Fiscal Year		6,385		5,890
Revolving		5		70
Financing Receivable, before Allowance for Credit Loss		15,865		21,727
Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Credit Card Receivable [Member]
Financing Receivable, before Allowance for Credit Loss		26,297		24,540
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		2,875,126		2,838,788
Charge-offs		0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Current Fiscal Year		117,495		428,605
Fiscal Year before Current Fiscal Year		374,883		295,423
Two Years before Current Fiscal Year		296,313		404,401
Three Years before Current Fiscal Year		403,882		302,450
Four Years before Current Fiscal Year		299,294		200,703
More than Five Years before Current Fiscal Year		351,312		175,671
Revolving		27,173		28,682
Financing Receivable, before Allowance for Credit Loss		1,870,352		1,835,935
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		0	0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Pass [Member]
Current Fiscal Year		109,664		416,310
Fiscal Year before Current Fiscal Year		367,190		293,890
Two Years before Current Fiscal Year		296,313		402,081
Three Years before Current Fiscal Year		401,430		291,741
Four Years before Current Fiscal Year		288,667		199,039
More than Five Years before Current Fiscal Year		331,642		157,303
Revolving		27,075		28,584
Financing Receivable, before Allowance for Credit Loss		1,821,981		1,788,948
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Special Mention [Member]
Current Fiscal Year		7,768		10,480
Fiscal Year before Current Fiscal Year		5,884		1,533
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		162		10,709
Four Years before Current Fiscal Year		10,627		1,664
More than Five Years before Current Fiscal Year		14,729		13,191
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		39,170		37,577
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		1,546
Fiscal Year before Current Fiscal Year		1,544		0
Two Years before Current Fiscal Year		0		2,320
Three Years before Current Fiscal Year		2,290		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		322		225
Revolving		98		98
Financing Receivable, before Allowance for Credit Loss		4,254		4,189
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		63		269
Fiscal Year before Current Fiscal Year		265		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		4,619		4,952
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		4,947		5,221
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Current Fiscal Year		56,150		147,322
Fiscal Year before Current Fiscal Year		129,049		173,648
Two Years before Current Fiscal Year		167,482		177,734
Three Years before Current Fiscal Year		170,034		180,868
Four Years before Current Fiscal Year		177,126		157,736
More than Five Years before Current Fiscal Year		284,333		143,533
Revolving		20,600		22,012
Financing Receivable, before Allowance for Credit Loss		1,004,774		1,002,853
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		0	0	0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Pass [Member]
Current Fiscal Year		55,050		133,404
Fiscal Year before Current Fiscal Year		116,399		163,452
Two Years before Current Fiscal Year		160,317		172,933
Three Years before Current Fiscal Year		164,943		174,638
Four Years before Current Fiscal Year		170,999		156,955
More than Five Years before Current Fiscal Year		280,063		139,919
Revolving		20,600		22,012
Financing Receivable, before Allowance for Credit Loss		968,371		963,313
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Special Mention [Member]
Current Fiscal Year		0		6,292
Fiscal Year before Current Fiscal Year		5,891		273
Two Years before Current Fiscal Year		231		1,145
Three Years before Current Fiscal Year		1,563		1,856
Four Years before Current Fiscal Year		1,836		715
More than Five Years before Current Fiscal Year		3,338		3,385
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		12,859		13,666
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		1,100		7,192
Fiscal Year before Current Fiscal Year		6,085		9,923
Two Years before Current Fiscal Year		6,934		3,656
Three Years before Current Fiscal Year		3,528		3,643
Four Years before Current Fiscal Year		3,575		0
More than Five Years before Current Fiscal Year		220		229
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		21,442		24,643
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		434
Fiscal Year before Current Fiscal Year		674		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		731
Four Years before Current Fiscal Year		716		66
More than Five Years before Current Fiscal Year		712		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		2,102		1,231
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Residential Real Estate Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		1,195,252		1,187,824
Charge-offs		(50)	(14)
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Current Fiscal Year		23,880		81,456
Fiscal Year before Current Fiscal Year		72,244		67,662
Two Years before Current Fiscal Year		63,710		72,794
Three Years before Current Fiscal Year		70,091		70,602
Four Years before Current Fiscal Year		67,424		41,874
More than Five Years before Current Fiscal Year		84,080		48,356
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		381,429		382,744
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		0	0	0
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Pass [Member]
Current Fiscal Year		23,880		80,717
Fiscal Year before Current Fiscal Year		72,094		66,330
Two Years before Current Fiscal Year		62,576		72,580
Three Years before Current Fiscal Year		69,881		70,585
Four Years before Current Fiscal Year		67,424		41,874
More than Five Years before Current Fiscal Year		83,351		47,578
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		379,206		379,664
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Special Mention [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		501		514
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		501		514
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		113		115
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		113		115
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		739
Fiscal Year before Current Fiscal Year		150		1,332
Two Years before Current Fiscal Year		1,134		214
Three Years before Current Fiscal Year		210		17
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		115		149
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		1,609		2,451
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Current Fiscal Year		30,139		162,443
Fiscal Year before Current Fiscal Year		156,964		158,536
Two Years before Current Fiscal Year		155,633		167,539
Three Years before Current Fiscal Year		164,541		159,852
Four Years before Current Fiscal Year		155,125		77,525
More than Five Years before Current Fiscal Year		151,421		79,185
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		813,823		805,080
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		(349)
Current period gross charge offs, Two Years before Current Fiscal Year		(45)		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		(5)		(7)
Current period gross charge offs, Revolving		0		0
Charge-offs		(50)	(14)	(356)
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Pass [Member]
Current Fiscal Year		29,888		161,257
Fiscal Year before Current Fiscal Year		156,228		154,799
Two Years before Current Fiscal Year		153,504		166,127
Three Years before Current Fiscal Year		162,591		159,449
Four Years before Current Fiscal Year		154,987		77,516
More than Five Years before Current Fiscal Year		150,571		78,169
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		807,769		797,317
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Special Mention [Member]
Current Fiscal Year		0		158
Fiscal Year before Current Fiscal Year		156		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		83
Four Years before Current Fiscal Year		85		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		241		241
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		12
Three Years before Current Fiscal Year		12		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		339		342
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		351		354
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		251		1,028
Fiscal Year before Current Fiscal Year		580		3,737
Two Years before Current Fiscal Year		2,129		1,400
Three Years before Current Fiscal Year		1,938		320
Four Years before Current Fiscal Year		53		9
More than Five Years before Current Fiscal Year		511		674
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		5,462		7,168
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Finance Leases Portfolio Segment [Member]
Current Fiscal Year		166		4,966
Fiscal Year before Current Fiscal Year		4,739		5,439
Two Years before Current Fiscal Year		5,106		2,450
Three Years before Current Fiscal Year		2,123		1,998
Four Years before Current Fiscal Year		1,799		658
More than Five Years before Current Fiscal Year		527		3
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		14,460		15,514
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		0	0	0
Finance Leases Portfolio Segment [Member] | Pass [Member]
Current Fiscal Year		166		4,935
Fiscal Year before Current Fiscal Year		4,715		5,439
Two Years before Current Fiscal Year		5,106		1,864
Three Years before Current Fiscal Year		1,591		1,462
Four Years before Current Fiscal Year		1,308		597
More than Five Years before Current Fiscal Year		483		3
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		13,369		14,300
Finance Leases Portfolio Segment [Member] | Special Mention [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Finance Leases Portfolio Segment [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		31
Fiscal Year before Current Fiscal Year		24		0
Two Years before Current Fiscal Year		0		586
Three Years before Current Fiscal Year		532		536
Four Years before Current Fiscal Year		491		61
More than Five Years before Current Fiscal Year		44		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		1,091		1,214
Finance Leases Portfolio Segment [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Finance Leases Portfolio Segment [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		26,297		24,540
Financing Receivable, before Allowance for Credit Loss		26,297		24,540
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		(91)		(225)
Charge-offs		(91)	(15)	(225)
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Performing Financial Instruments [Member]
Financing Receivable, before Allowance for Credit Loss		26,109		24,370
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, before Allowance for Credit Loss		188		170
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Pass [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		26,297		24,540
Financing Receivable, before Allowance for Credit Loss		26,297		24,540
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Special Mention [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Construction and Development [Member]
Current Fiscal Year		74,817		241,776
Fiscal Year before Current Fiscal Year		277,203		236,158
Two Years before Current Fiscal Year		251,337		115,429
Three Years before Current Fiscal Year		52,257		8,381
Four Years before Current Fiscal Year		8,178		1,273
More than Five Years before Current Fiscal Year		3,656		3,569
Revolving		11,897		16,419
Financing Receivable, before Allowance for Credit Loss		679,345		623,005
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		0	0	0
Construction and Development [Member] | Pass [Member]
Current Fiscal Year		74,817		237,785
Fiscal Year before Current Fiscal Year		273,442		234,782
Two Years before Current Fiscal Year		249,976		115,429
Three Years before Current Fiscal Year		52,257		8,381
Four Years before Current Fiscal Year		8,178		1,273
More than Five Years before Current Fiscal Year		3,656		3,569
Revolving		10,898		15,420
Financing Receivable, before Allowance for Credit Loss		673,224		616,639
Construction and Development [Member] | Special Mention [Member]
Current Fiscal Year		0		3,680
Fiscal Year before Current Fiscal Year		3,681		1,376
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		3,681		5,056
Construction and Development [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		1,361		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		999		999
Financing Receivable, before Allowance for Credit Loss		2,360		999
Construction and Development [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		311
Fiscal Year before Current Fiscal Year		80		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		80		311
Construction and Development [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial and Industrial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		1,463,746		1,438,654
Charge-offs		(260)	(23)
Commercial and Industrial Portfolio Segment [Member] | Term [Member]
Current Fiscal Year		85,132		319,851
Fiscal Year before Current Fiscal Year		295,901		175,856
Two Years before Current Fiscal Year		162,969		199,930
Three Years before Current Fiscal Year		182,837		123,196
Four Years before Current Fiscal Year		113,138		34,353
More than Five Years before Current Fiscal Year		59,836		31,213
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		899,813		884,399
Current period gross charge offs, current fiscal year		0		(414)
Current period gross charge, Fiscal Year before Current Fiscal Year offs		(45)		(250)
Current period gross charge offs, Two Years before Current Fiscal Year		(215)		(6)
Current period gross charge offs, Three Years before Current Fiscal Year		0		(78)
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		(260)	(23)	(748)
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Pass [Member]
Current Fiscal Year		84,007		312,854
Fiscal Year before Current Fiscal Year		287,017		173,383
Two Years before Current Fiscal Year		162,304		198,754
Three Years before Current Fiscal Year		180,171		120,056
Four Years before Current Fiscal Year		109,713		34,013
More than Five Years before Current Fiscal Year		59,211		30,903
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		882,423		869,963
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Special Mention [Member]
Current Fiscal Year		1,125		2,679
Fiscal Year before Current Fiscal Year		8,337		1,813
Two Years before Current Fiscal Year		147		833
Three Years before Current Fiscal Year		1,269		104
Four Years before Current Fiscal Year		53		28
More than Five Years before Current Fiscal Year		20		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		10,951		5,457
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		496
Fiscal Year before Current Fiscal Year		0		311
Two Years before Current Fiscal Year		359		0
Three Years before Current Fiscal Year		1,243		3,036
Four Years before Current Fiscal Year		3,372		10
More than Five Years before Current Fiscal Year		202		223
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		5,176		4,076
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		3,822
Fiscal Year before Current Fiscal Year		547		349
Two Years before Current Fiscal Year		159		343
Three Years before Current Fiscal Year		154		0
Four Years before Current Fiscal Year		0		302
More than Five Years before Current Fiscal Year		403		87
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		1,263		4,903
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member]
Current Fiscal Year		5,434		126,654
Fiscal Year before Current Fiscal Year		111,777		11,181
Two Years before Current Fiscal Year		11,914		3,967
Three Years before Current Fiscal Year		2,045		2,553
Four Years before Current Fiscal Year		2,380		295
More than Five Years before Current Fiscal Year		2,708		2,654
Revolving		427,675		406,951
Financing Receivable, before Allowance for Credit Loss		563,933		554,255
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		(555)
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		0		0
Charge-offs		0	0	(555)
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Pass [Member]
Current Fiscal Year		5,434		119,206
Fiscal Year before Current Fiscal Year		109,361		11,181
Two Years before Current Fiscal Year		11,914		3,967
Three Years before Current Fiscal Year		2,045		2,553
Four Years before Current Fiscal Year		2,380		295
More than Five Years before Current Fiscal Year		2,708		2,654
Revolving		396,150		372,866
Financing Receivable, before Allowance for Credit Loss		529,992		512,722
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Special Mention [Member]
Current Fiscal Year		0		7,448
Fiscal Year before Current Fiscal Year		2,416		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		9,970		10,750
Financing Receivable, before Allowance for Credit Loss		12,386		18,198
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		21,555		23,335
Financing Receivable, before Allowance for Credit Loss		21,555		23,335
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Home Equity Line of Credit [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		252,125		247,433
Financing Receivable, before Allowance for Credit Loss		252,125		247,433
Current period gross charge offs, current fiscal year		0		0
Current period gross charge, Fiscal Year before Current Fiscal Year offs		0		0
Current period gross charge offs, Two Years before Current Fiscal Year		0		0
Current period gross charge offs, Three Years before Current Fiscal Year		0		0
Current period gross charge offs, Four Years before Current Fiscal Year		0		0
Current period gross charge offs, More than Five Years before Current Fiscal Year		0		0
Current period gross charge offs, Revolving		(10)		(107)
Charge-offs		(10)		(107)
Home Equity Line of Credit [Member] | Pass [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		251,036		246,336
Financing Receivable, before Allowance for Credit Loss		251,036		246,336
Home Equity Line of Credit [Member] | Special Mention [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Home Equity Line of Credit [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		1,084		1,027
Financing Receivable, before Allowance for Credit Loss		1,084		1,027
Home Equity Line of Credit [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		5		70
Financing Receivable, before Allowance for Credit Loss		5		70
Home Equity Line of Credit [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Consumer Portfolio Segment [Member]
Current Fiscal Year		4,930		23,030
Fiscal Year before Current Fiscal Year		20,910		18,313
Two Years before Current Fiscal Year		16,784		12,888
Three Years before Current Fiscal Year		11,830		6,307
Four Years before Current Fiscal Year		5,488		1,112
More than Five Years before Current Fiscal Year		1,629		1,051
Revolving		78,438		81,943
Financing Receivable, before Allowance for Credit Loss		140,009		144,644
Current period gross charge offs, current fiscal year		(170)		(640)
Current period gross charge, Fiscal Year before Current Fiscal Year offs		(26)		(19)
Current period gross charge offs, Two Years before Current Fiscal Year		(3)		(12)
Current period gross charge offs, Three Years before Current Fiscal Year		(2)		(41)
Current period gross charge offs, Four Years before Current Fiscal Year		0		(9)
Current period gross charge offs, More than Five Years before Current Fiscal Year		(2)		(45)
Current period gross charge offs, Revolving		0		(19)
Charge-offs		(203)	$ (210)	(785)
Consumer Portfolio Segment [Member] | Pass [Member]
Current Fiscal Year		4,930		22,895
Fiscal Year before Current Fiscal Year		20,784		18,200
Two Years before Current Fiscal Year		16,601		12,822
Three Years before Current Fiscal Year		11,791		6,294
Four Years before Current Fiscal Year		5,464		1,095
More than Five Years before Current Fiscal Year		1,604		1,023
Revolving		78,438		81,943
Financing Receivable, before Allowance for Credit Loss		139,612		144,272
Consumer Portfolio Segment [Member] | Special Mention [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Consumer Portfolio Segment [Member] | Substandard [Member] | Performing Financial Instruments [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		0		0
Consumer Portfolio Segment [Member] | Substandard [Member] | Nonperforming Financial Instruments [Member]
Current Fiscal Year		0		135
Fiscal Year before Current Fiscal Year		126		113
Two Years before Current Fiscal Year		183		66
Three Years before Current Fiscal Year		39		13
Four Years before Current Fiscal Year		24		17
More than Five Years before Current Fiscal Year		25		28
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		397		372
Consumer Portfolio Segment [Member] | Doubtful [Member]
Current Fiscal Year		0		0
Fiscal Year before Current Fiscal Year		0		0
Two Years before Current Fiscal Year		0		0
Three Years before Current Fiscal Year		0		0
Four Years before Current Fiscal Year		0		0
More than Five Years before Current Fiscal Year		0		0
Revolving		0		0
Financing Receivable, before Allowance for Credit Loss		$ 0		$ 0

[1] (1) Total loans are presented inclusive of premiums, discounts and net loan origination fees and costs.