Loans Loans By Risk Category (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Loans
Total Loans	$ 2,851,969	$ 2,708,583
Balance	2,873,525	2,728,778
Mortgage Loans in Process of Foreclosure, Amount	1,900	1,800
Loan Type
Loans
Balance	2,873,525	2,728,778
Pass Rated | Loan Type
Loans
Balance	1,563,271	1,452,711
Special Mention | Loan Type
Loans
Balance	30,676	70,370
Substandard | Loan Type
Loans
Balance	65,780	43,176
Doubtful | Loan Type
Loans
Balance	374	642
Not Rated | Loan Type
Loans
Balance	1,213,424	1,161,879
Financial Asset Originated [Member]
Loans
Balance	2,273,839	2,156,030
Financial Asset Originated [Member] | Loan Type
Loans
Balance	2,273,839	2,156,030
Financial Asset Originated [Member] | Construction
Loans
Balance	83,283	124,013
Financial Asset Originated [Member] | Commercial real estate, other
Loans
Balance	671,576	632,200
Financial Asset Originated [Member] | Commercial real estate
Loans
Balance	754,859	756,213
Financial Asset Originated [Member] | Commercial and industrial
Loans
Balance	622,175	530,207
Financial Asset Originated [Member] | Residential real estate
Loans
Balance	314,935	296,860
Financial Asset Originated [Member] | Home equity lines of credit
Loans
Balance	93,013	93,326
Financial Asset Originated [Member] | Consumer, indirect
Loans
Balance	417,127	407,167
Financial Asset Originated [Member] | Consumer, direct
Loans
Balance	70,852	71,674
Financial Asset Originated [Member] | Consumer
Loans
Balance	487,979	478,841
Financial Asset Originated [Member] | Deposit account overdrafts
Loans
Balance	878	583
Financial Asset Originated [Member] | Pass Rated | Loan Type
Loans
Balance	1,343,181	1,224,566
Financial Asset Originated [Member] | Pass Rated | Construction
Loans
Balance	81,771	121,457
Financial Asset Originated [Member] | Pass Rated | Commercial real estate, other
Loans
Balance	640,745	612,099
Financial Asset Originated [Member] | Pass Rated | Commercial real estate
Loans
Balance	722,516	733,556
Financial Asset Originated [Member] | Pass Rated | Commercial and industrial
Loans
Balance	601,578	476,290
Financial Asset Originated [Member] | Pass Rated | Residential real estate
Loans
Balance	17,713	14,229
Financial Asset Originated [Member] | Pass Rated | Home equity lines of credit
Loans
Balance	1,348	453
Financial Asset Originated [Member] | Pass Rated | Consumer, indirect
Loans
Balance	0	8
Financial Asset Originated [Member] | Pass Rated | Consumer, direct
Loans
Balance	26	30
Financial Asset Originated [Member] | Pass Rated | Consumer
Loans
Balance	26	38
Financial Asset Originated [Member] | Pass Rated | Deposit account overdrafts
Loans
Balance	0	0
Financial Asset Originated [Member] | Special Mention | Loan Type
Loans
Balance	20,867	57,388
Financial Asset Originated [Member] | Special Mention | Construction
Loans
Balance	0	0
Financial Asset Originated [Member] | Special Mention | Commercial real estate, other
Loans
Balance	12,130	10,898
Financial Asset Originated [Member] | Special Mention | Commercial real estate
Loans
Balance	12,130	10,898
Financial Asset Originated [Member] | Special Mention | Commercial and industrial
Loans
Balance	7,821	45,990
Financial Asset Originated [Member] | Special Mention | Residential real estate
Loans
Balance	916	500
Financial Asset Originated [Member] | Special Mention | Home equity lines of credit
Loans
Balance	0	0
Financial Asset Originated [Member] | Special Mention | Consumer, indirect
Loans
Balance	0	0
Financial Asset Originated [Member] | Special Mention | Consumer, direct
Loans
Balance	0	0
Financial Asset Originated [Member] | Special Mention | Consumer
Loans
Balance	0	0
Financial Asset Originated [Member] | Special Mention | Deposit account overdrafts
Loans
Balance	0	0
Financial Asset Originated [Member] | Substandard | Loan Type
Loans
Balance	46,958	30,338
Financial Asset Originated [Member] | Substandard | Construction
Loans
Balance	0	1,472
Financial Asset Originated [Member] | Substandard | Commercial real estate, other
Loans
Balance	18,694	9,203
Financial Asset Originated [Member] | Substandard | Commercial real estate
Loans
Balance	18,694	10,675
Financial Asset Originated [Member] | Substandard | Commercial and industrial
Loans
Balance	12,776	7,692
Financial Asset Originated [Member] | Substandard | Residential real estate
Loans
Balance	15,488	11,971
Financial Asset Originated [Member] | Substandard | Home equity lines of credit
Loans
Balance	0	0
Financial Asset Originated [Member] | Substandard | Consumer, indirect
Loans
Balance	0	0
Financial Asset Originated [Member] | Substandard | Consumer, direct
Loans
Balance	0	0
Financial Asset Originated [Member] | Substandard | Consumer
Loans
Balance	0	0
Financial Asset Originated [Member] | Substandard | Deposit account overdrafts
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Loan Type
Loans
Balance	166	409
Financial Asset Originated [Member] | Doubtful | Construction
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Commercial real estate, other
Loans
Balance	7	0
Financial Asset Originated [Member] | Doubtful | Commercial real estate
Loans
Balance	7	0
Financial Asset Originated [Member] | Doubtful | Commercial and industrial
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Residential real estate
Loans
Balance	159	409
Financial Asset Originated [Member] | Doubtful | Home equity lines of credit
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Consumer, indirect
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Consumer, direct
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Consumer
Loans
Balance	0	0
Financial Asset Originated [Member] | Doubtful | Deposit account overdrafts
Loans
Balance	0	0
Financial Asset Originated [Member] | Not Rated | Loan Type
Loans
Balance	862,667	843,329
Financial Asset Originated [Member] | Not Rated | Construction
Loans
Balance	1,512	1,084
Financial Asset Originated [Member] | Not Rated | Commercial real estate, other
Loans
Balance	0	0
Financial Asset Originated [Member] | Not Rated | Commercial real estate
Loans
Balance	1,512	1,084
Financial Asset Originated [Member] | Not Rated | Commercial and industrial
Loans
Balance	0	235
Financial Asset Originated [Member] | Not Rated | Residential real estate
Loans
Balance	280,659	269,751
Financial Asset Originated [Member] | Not Rated | Home equity lines of credit
Loans
Balance	91,665	92,873
Financial Asset Originated [Member] | Not Rated | Consumer, indirect
Loans
Balance	417,127	407,159
Financial Asset Originated [Member] | Not Rated | Consumer, direct
Loans
Balance	70,826	71,644
Financial Asset Originated [Member] | Not Rated | Consumer
Loans
Balance	487,953	478,803
Financial Asset Originated [Member] | Not Rated | Deposit account overdrafts
Loans
Balance	878	583
Acquired Loans | Loan Type
Loans
Balance	599,686	572,748
Acquired Loans | Construction
Loans
Balance	5,235	12,404
Acquired Loans | Commercial real estate, other
Loans
Balance	161,662	184,711
Acquired Loans | Commercial real estate
Loans
Balance	166,897	197,115
Acquired Loans | Commercial and industrial
Loans
Balance	40,818	35,537
Acquired Loans | Residential real estate
Loans
Balance	346,541	296,937
Acquired Loans | Home equity lines of credit
Loans
Balance	39,691	40,653
Acquired Loans | Consumer, indirect
Loans
Balance	58	136
Acquired Loans | Consumer, direct
Loans
Balance	5,681	2,370
Acquired Loans | Consumer
Loans
Balance	5,739	2,506
Acquired Loans | Pass Rated | Loan Type
Loans
Balance	220,090	228,145
Acquired Loans | Pass Rated | Construction
Loans
Balance	3,578	8,976
Acquired Loans | Pass Rated | Commercial real estate, other
Loans
Balance	146,973	169,260
Acquired Loans | Pass Rated | Commercial real estate
Loans
Balance	150,551	178,236
Acquired Loans | Pass Rated | Commercial and industrial
Loans
Balance	35,508	32,471
Acquired Loans | Pass Rated | Residential real estate
Loans
Balance	32,193	17,370
Acquired Loans | Pass Rated | Home equity lines of credit
Loans
Balance	1,812	33
Acquired Loans | Pass Rated | Consumer, indirect
Loans
Balance	0	4
Acquired Loans | Pass Rated | Consumer, direct
Loans
Balance	26	31
Acquired Loans | Pass Rated | Consumer
Loans
Balance	26	35
Acquired Loans | Special Mention | Loan Type
Loans
Balance	9,809	12,982
Acquired Loans | Special Mention | Construction
Loans
Balance	150	1,795
Acquired Loans | Special Mention | Commercial real estate, other
Loans
Balance	5,442	7,241
Acquired Loans | Special Mention | Commercial real estate
Loans
Balance	5,592	9,036
Acquired Loans | Special Mention | Commercial and industrial
Loans
Balance	1,595	2,008
Acquired Loans | Special Mention | Residential real estate
Loans
Balance	2,468	1,938
Acquired Loans | Special Mention | Home equity lines of credit
Loans
Balance	154	0
Acquired Loans | Special Mention | Consumer, indirect
Loans
Balance	0	0
Acquired Loans | Special Mention | Consumer, direct
Loans
Balance	0	0
Acquired Loans | Special Mention | Consumer
Loans
Balance	0	0
Acquired Loans | Substandard | Loan Type
Loans
Balance	18,822	12,838
Acquired Loans | Substandard | Construction
Loans
Balance	1,507	1,633
Acquired Loans | Substandard | Commercial real estate, other
Loans
Balance	9,164	8,114
Acquired Loans | Substandard | Commercial real estate
Loans
Balance	10,671	9,747
Acquired Loans | Substandard | Commercial and industrial
Loans
Balance	3,715	1,058
Acquired Loans | Substandard | Residential real estate
Loans
Balance	4,436	2,033
Acquired Loans | Substandard | Home equity lines of credit
Loans
Balance	0	0
Acquired Loans | Substandard | Consumer, indirect
Loans
Balance	0	0
Acquired Loans | Substandard | Consumer, direct
Loans
Balance	0	0
Acquired Loans | Substandard | Consumer
Loans
Balance	0	0
Acquired Loans | Doubtful | Loan Type
Loans
Balance	208	233
Acquired Loans | Doubtful | Construction
Loans
Balance	0	0
Acquired Loans | Doubtful | Commercial real estate, other
Loans
Balance	83	96
Acquired Loans | Doubtful | Commercial real estate
Loans
Balance	83	96
Acquired Loans | Doubtful | Commercial and industrial
Loans
Balance	0	0
Acquired Loans | Doubtful | Residential real estate
Loans
Balance	125	137
Acquired Loans | Doubtful | Home equity lines of credit
Loans
Balance	0	0
Acquired Loans | Doubtful | Consumer, indirect
Loans
Balance	0	0
Acquired Loans | Doubtful | Consumer, direct
Loans
Balance	0	0
Acquired Loans | Doubtful | Consumer
Loans
Balance	0	0
Acquired Loans | Not Rated | Loan Type
Loans
Balance	350,757	318,550
Acquired Loans | Not Rated | Construction
Loans
Balance	0	0
Acquired Loans | Not Rated | Commercial real estate, other
Loans
Balance	0	0
Acquired Loans | Not Rated | Commercial real estate
Loans
Balance	0	0
Acquired Loans | Not Rated | Commercial and industrial
Loans
Balance	0	0
Acquired Loans | Not Rated | Residential real estate
Loans
Balance	307,319	275,459
Acquired Loans | Not Rated | Home equity lines of credit
Loans
Balance	37,725	40,620
Acquired Loans | Not Rated | Consumer, indirect
Loans
Balance	58	132
Acquired Loans | Not Rated | Consumer, direct
Loans
Balance	5,655	2,339
Acquired Loans | Not Rated | Consumer
Loans
Balance	$ 5,713	$ 2,471