Loans Aging Of The Recorded Investment In Past Due Loans And Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Loans
Loans, net of deferred fees and costs	$ 2,224,936	$ 2,072,440
Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	45,445	36,035
Current Loans	2,179,491	2,036,405
Loans, net of deferred fees and costs	2,224,936	2,072,440
Originated Loan | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	28,871	19,670
Current Loans	1,679,233	1,394,969
Loans, net of deferred fees and costs	1,708,104	1,414,639
Originated Loan | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	826	921
Current Loans	83,800	62,864
Loans, net of deferred fees and costs	84,626	63,785
Originated Loan | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	10,950	8,897
Current Loans	520,607	462,287
Loans, net of deferred fees and costs	531,557	471,184
Originated Loan | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	11,776	9,818
Current Loans	604,407	525,151
Loans, net of deferred fees and costs	616,183	534,969
Originated Loan | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	3,470	2,419
Current Loans	374,661	285,711
Loans, net of deferred fees and costs	378,131	288,130
Originated Loan | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	10,202	5,492
Current Loans	297,288	283,291
Loans, net of deferred fees and costs	307,490	288,783
Originated Loan | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	609	272
Current Loans	85,008	73,904
Loans, net of deferred fees and costs	85,617	74,176
Originated Loan | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	2,430	958
Current Loans	249,594	164,362
Loans, net of deferred fees and costs	252,024	165,320
Originated Loan | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	384	711
Current Loans	67,195	61,102
Loans, net of deferred fees and costs	67,579	61,813
Originated Loan | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	2,814	1,669
Current Loans	316,789	225,464
Loans, net of deferred fees and costs	319,603	227,133
Originated Loan | Deposit account overdrafts
Loans
Financing Receivable, Recorded Investment, Past Due	0
Current Loans	1,080
Loans, net of deferred fees and costs	1,080	1,448
Acquired Loans | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	16,574	16,365
Current Loans	500,258	641,436
Loans, net of deferred fees and costs	516,832	657,801
Acquired Loans | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	40	40
Current Loans	10,060	12,074
Loans, net of deferred fees and costs	10,100	12,114
Acquired Loans | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	3,699	4,674
Current Loans	200,767	260,418
Loans, net of deferred fees and costs	204,466	265,092
Acquired Loans | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	3,739	4,714
Current Loans	210,827	272,492
Loans, net of deferred fees and costs	214,566	277,206
Acquired Loans | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	928	1,962
Current Loans	43,280	61,627
Loans, net of deferred fees and costs	44,208	63,589
Acquired Loans | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	11,388	9,135
Current Loans	217,047	267,637
Loans, net of deferred fees and costs	228,435	276,772
Acquired Loans | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	451	433
Current Loans	25,424	31,820
Loans, net of deferred fees and costs	25,875	32,253
Acquired Loans | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	4	23
Current Loans	804	1,753
Loans, net of deferred fees and costs	808	1,776
Acquired Loans | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	64	98
Current Loans	2,876	6,107
Loans, net of deferred fees and costs	2,940	6,205
Acquired Loans | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	68	121
Current Loans	3,680	7,860
Loans, net of deferred fees and costs	3,748	7,981
Financing Receivables, 30 to 59 Days Past Due [Member] | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	20,304	21,369
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	12,755	14,282
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	0	913
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	1,420	7,260
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	1,420	8,173
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	1,305	1,437
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	7,288	3,124
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	316	161
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	2,080	790
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	346	597
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	2,426	1,387
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan | Deposit account overdrafts
Loans
Financing Receivable, Recorded Investment, Past Due	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	7,549	7,087
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	1,220	1,592
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	1,220	1,592
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	148	177
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	5,918	4,910
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	208	318
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	4	23
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	51	67
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loans | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	55	90
Financing Receivables, 60 to 89 Days Past Due [Member] | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	5,072	5,950
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	2,300	2,835
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	225	1,258
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	225	1,258
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	700	215
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	1,019	1,105
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	45	7
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	273	168
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	38	82
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	311	250
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan | Deposit account overdrafts
Loans
Financing Receivable, Recorded Investment, Past Due	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	2,772	3,115
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	208	352
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	208	352
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	3	232
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	2,496	2,480
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	65	20
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	0	31
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loans | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	0	31
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	20,069	8,716
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	13,816	2,553
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	826	8
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	9,305	379
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	10,131	387
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	1,465	767
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	1,895	1,263
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	248	104
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	77	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	0	32
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	77	32
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan | Deposit account overdrafts
Loans
Financing Receivable, Recorded Investment, Past Due	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Loan Type
Loans
Financing Receivable, Recorded Investment, Past Due	6,253	6,163
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Commercial real estate, construction
Loans
Financing Receivable, Recorded Investment, Past Due	40	40
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Commercial real estate, other
Loans
Financing Receivable, Recorded Investment, Past Due	2,271	2,730
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Commercial real estate
Loans
Financing Receivable, Recorded Investment, Past Due	2,311	2,770
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Commercial and industrial
Loans
Financing Receivable, Recorded Investment, Past Due	777	1,553
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Residential real estate
Loans
Financing Receivable, Recorded Investment, Past Due	2,974	1,745
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Home equity lines of credit
Loans
Financing Receivable, Recorded Investment, Past Due	178	95
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Consumer, Indirect Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Consumer, Other Loan [Member]
Loans
Financing Receivable, Recorded Investment, Past Due	13	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loans | Consumer, other
Loans
Financing Receivable, Recorded Investment, Past Due	$ 13	$ 0