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Allowance for Credit Losses - Credit Quality Indicators by Commercial and Industrial Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases, net of unearned income and deferred costs and fees	$ 5,761,864	$ 5,605,935
Commercial and Industrial | Other Financing Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	81,491	131,908
One year before current fiscal year	128,087	92,577
Two years before current fiscal year	93,624	68,330
Three years before current fiscal year	61,658	28,808
Four years before current fiscal year	23,468	33,715
Prior	162,509	145,878
Revolving Loans Amortized Cost Basis	216,088	215,611
Revolving Loans Converted to Term	6,842	5,063
Total loans and leases, net of unearned income and deferred costs and fees	773,767	721,890
Current-period gross writeoffs
Current fiscal year	0	6
One year before current fiscal year	0	0
Two years before current fiscal year	30	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	29
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	30	35
Commercial and Industrial | Other Financing Receivable | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	80,048	130,993
One year before current fiscal year	127,286	92,335
Two years before current fiscal year	93,453	68,030
Three years before current fiscal year	60,832	28,237
Four years before current fiscal year	23,139	33,618
Prior	161,290	141,758
Revolving Loans Amortized Cost Basis	215,166	212,349
Revolving Loans Converted to Term	6,842	5,063
Total loans and leases, net of unearned income and deferred costs and fees	768,056	712,383
Commercial and Industrial | Other Financing Receivable | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	993	915
One year before current fiscal year	801	196
Two years before current fiscal year	171	222
Three years before current fiscal year	766	242
Four years before current fiscal year	170	79
Prior	323	1,287
Revolving Loans Amortized Cost Basis	20	682
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	3,244	3,623
Commercial and Industrial | Other Financing Receivable | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	450	0
One year before current fiscal year	0	46
Two years before current fiscal year	0	78
Three years before current fiscal year	60	329
Four years before current fiscal year	159	18
Prior	896	2,833
Revolving Loans Amortized Cost Basis	902	2,580
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	2,467	5,884
Commercial and Industrial | PPP loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	264
Three years before current fiscal year	201	140
Four years before current fiscal year	53	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	254	404
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial and Industrial | PPP loans | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	264
Three years before current fiscal year	201	140
Four years before current fiscal year	53	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	254	404
Commercial and Industrial | PPP loans | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	0	0
Commercial and Industrial | PPP loans | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	0	0
Commercial and Industrial | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	6,835	24,924
One year before current fiscal year	27,390	11,935
Two years before current fiscal year	10,935	3,388
Three years before current fiscal year	2,586	3,170
Four years before current fiscal year	2,185	3,268
Prior	7,098	16,767
Revolving Loans Amortized Cost Basis	34,149	36,729
Revolving Loans Converted to Term	1,787	1,030
Total loans and leases, net of unearned income and deferred costs and fees	92,965	101,211
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial and Industrial | Agriculture | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	6,835	24,924
One year before current fiscal year	27,390	11,935
Two years before current fiscal year	10,935	3,341
Three years before current fiscal year	2,545	3,114
Four years before current fiscal year	2,136	3,268
Prior	7,098	16,759
Revolving Loans Amortized Cost Basis	34,149	36,728
Revolving Loans Converted to Term	1,787	1,030
Total loans and leases, net of unearned income and deferred costs and fees	92,875	101,099
Commercial and Industrial | Agriculture | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	47
Three years before current fiscal year	41	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	41	47
Commercial and Industrial | Agriculture | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	56
Four years before current fiscal year	49	0
Prior	0	8
Revolving Loans Amortized Cost Basis	0	1
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	49	65
Commercial Real Estate | Other Financing Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	149,918	246,016
One year before current fiscal year	252,100	333,515
Two years before current fiscal year	349,521	368,103
Three years before current fiscal year	367,643	310,093
Four years before current fiscal year	302,769	286,203
Prior	1,209,486	983,010
Revolving Loans Amortized Cost Basis	19,882	35,702
Revolving Loans Converted to Term	12,895	24,949
Total loans and leases, net of unearned income and deferred costs and fees	2,664,214	2,587,591
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial Real Estate | Other Financing Receivable | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	149,918	246,016
One year before current fiscal year	251,108	317,583
Two years before current fiscal year	333,784	365,975
Three years before current fiscal year	365,517	292,960
Four years before current fiscal year	285,878	272,722
Prior	1,142,016	921,201
Revolving Loans Amortized Cost Basis	18,752	34,346
Revolving Loans Converted to Term	12,895	24,949
Total loans and leases, net of unearned income and deferred costs and fees	2,559,868	2,475,752
Commercial Real Estate | Other Financing Receivable | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	992	632
Two years before current fiscal year	720	0
Three years before current fiscal year	0	17,133
Four years before current fiscal year	16,891	11,422
Prior	20,931	16,100
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	39,534	45,287
Commercial Real Estate | Other Financing Receivable | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	15,300
Two years before current fiscal year	15,017	2,128
Three years before current fiscal year	2,126	0
Four years before current fiscal year	0	2,059
Prior	46,539	45,709
Revolving Loans Amortized Cost Basis	1,130	1,356
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	64,812	66,552
Commercial Real Estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	5,578	14,668
One year before current fiscal year	12,843	37,256
Two years before current fiscal year	38,280	22,813
Three years before current fiscal year	22,226	21,001
Four years before current fiscal year	20,484	24,342
Prior	106,993	94,969
Revolving Loans Amortized Cost Basis	3,067	257
Revolving Loans Converted to Term	697	6,364
Total loans and leases, net of unearned income and deferred costs and fees	210,168	221,670
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial Real Estate | Agriculture | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	5,578	14,668
One year before current fiscal year	12,843	37,256
Two years before current fiscal year	38,280	22,813
Three years before current fiscal year	22,226	21,001
Four years before current fiscal year	20,484	23,794
Prior	105,468	93,890
Revolving Loans Amortized Cost Basis	3,067	257
Revolving Loans Converted to Term	697	6,364
Total loans and leases, net of unearned income and deferred costs and fees	208,643	220,043
Commercial Real Estate | Agriculture | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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	378
Prior	1,344	1,033
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	1,344	1,411
Commercial Real Estate | Agriculture | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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	170
Prior	181	46
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	181	216
Commercial Real Estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	536	9,265
One year before current fiscal year	0	2,793
Two years before current fiscal year	688	8,068
Three years before current fiscal year	8,774	2,501
Four years before current fiscal year	2,034	357
Prior	299	596
Revolving Loans Amortized Cost Basis	318,977	274,224
Revolving Loans Converted to Term	6,053	5,602
Total loans and leases, net of unearned income and deferred costs and fees	337,361	303,406
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial Real Estate | Construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	536	9,265
One year before current fiscal year	0	2,793
Two years before current fiscal year	688	8,068
Three years before current fiscal year	8,774	2,501
Four years before current fiscal year	2,034	357
Prior	299	596
Revolving Loans Amortized Cost Basis	314,428	274,224
Revolving Loans Converted to Term	6,053	5,602
Total loans and leases, net of unearned income and deferred costs and fees	332,812	303,406
Commercial Real Estate | Construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	4,549	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	4,549	0
Commercial Real Estate | Construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	0	0
Residential Real Estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	12,141	2,378
One year before current fiscal year	2,455	2,237
Two years before current fiscal year	2,310	890
Three years before current fiscal year	989	529
Four years before current fiscal year	550	832
Prior	14,228	8,515
Revolving Loans Amortized Cost Basis	160,548	167,098
Revolving Loans Converted to Term	875	5,837
Total loans and leases, net of unearned income and deferred costs and fees	194,096	188,316
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	20
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	20
Residential Real Estate | Home equity | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	12,141	2,378
One year before current fiscal year	2,455	2,237
Two years before current fiscal year	2,310	890
Three years before current fiscal year	989	529
Four years before current fiscal year	550	832
Prior	13,454	8,178
Revolving Loans Amortized Cost Basis	157,852	164,205
Revolving Loans Converted to Term	875	5,837
Total loans and leases, net of unearned income and deferred costs and fees	190,626	185,086
Residential Real Estate | Home equity | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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
Prior	774	337
Revolving Loans Amortized Cost Basis	2,696	2,893
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	3,470	3,230
Residential Real Estate | Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	55,120	131,004
One year before current fiscal year	136,350	186,794
Two years before current fiscal year	180,166	256,456
Three years before current fiscal year	248,059	222,931
Four years before current fiscal year	213,980	110,477
Prior	543,701	465,613
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	1,377,376	1,373,275
Current-period gross writeoffs
Current fiscal year	0	0
One 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
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Residential Real Estate | Mortgages | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	55,120	131,004
One year before current fiscal year	136,213	186,401
Two years before current fiscal year	179,776	256,127
Three years before current fiscal year	247,638	221,945
Four years before current fiscal year	212,882	109,594
Prior	534,206	456,167
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	1,365,835	1,361,238
Residential Real Estate | Mortgages | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	137	393
Two years before current fiscal year	390	329
Three years before current fiscal year	421	986
Four years before current fiscal year	1,098	883
Prior	9,495	9,446
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	11,541	12,037
Consumer and Other | Direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	40,563	50,297
One year before current fiscal year	20,522	13,327
Two years before current fiscal year	11,580	11,316
Three years before current fiscal year	10,053	5,157
Four years before current fiscal year	4,541	4,107
Prior	12,739	10,014
Revolving Loans Amortized Cost Basis	2,593	2,724
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	102,591	96,942
Current-period gross writeoffs
Current fiscal year	943	801
One year before current fiscal year	13	29
Two years before current fiscal year	2	16
Three years before current fiscal year	32	21
Four years before current fiscal year	4	83
Prior	74	28
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,068	978
Consumer and Other | Direct | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	40,561	50,295
One year before current fiscal year	20,522	13,327
Two years before current fiscal year	11,577	11,316
Three years before current fiscal year	10,053	5,157
Four years before current fiscal year	4,540	4,037
Prior	12,574	9,857
Revolving Loans Amortized Cost Basis	2,569	2,723
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	102,396	96,712
Consumer and Other | Direct | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	2	2
One year before current fiscal year	0	0
Two years before current fiscal year	3	0
Three years before current fiscal year	0	0
Four years before current fiscal year	1	70
Prior	165	157
Revolving Loans Amortized Cost Basis	24	1
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	195	230
Consumer and Other | Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	97
Three years before current fiscal year	73	68
Four years before current fiscal year	41	432
Prior	347	244
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	461	841
Current-period gross writeoffs
Current fiscal year	0	0
One 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	53
Prior	3	14
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	3	67
Consumer and Other | Indirect | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	97
Three years before current fiscal year	73	68
Four years before current fiscal year	41	402
Prior	325	234
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	439	801
Consumer and Other | Indirect | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One 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	30
Prior	22	10
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	$ 22	$ 40

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
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