Significant Event (Data on Consumer and Commercial Loan Portfolios by industry and Percentage of Portfolio Modified) (Details) $ in Thousands			3 Months Ended
	May 06, 2020 USD ($) contract	Apr. 22, 2020 USD ($) contract	Mar. 31, 2020 USD ($) contract
Number of Loans \| contract			9,068
Loans Balance \| $			$ 1,053,732
Commercial Loan [Member]
Number of Loans \| contract			1,621
Loans Balance \| $			$ 582,532
Commercial Loan [Member] \| RE/Rental/Leasing - Non-Owner Occupied [Member]
Number of Loans \| contract			84
Loans Balance \| $			$ 119,047
Commercial Loan [Member] \| RE/Rental/Leasing - All Other [Member]
Number of Loans \| contract			289
Loans Balance \| $			$ 92,908
Commercial Loan [Member] \| Construction - Developers [Member]
Number of Loans \| contract			21
Loans Balance \| $			$ 57,171
Commercial Loan [Member] \| Accommodations [Member]
Number of Loans \| contract			24
Loans Balance \| $			$ 47,169
Commercial Loan [Member] \| Services [Member]
Number of Loans \| contract			186
Loans Balance \| $			$ 44,185
Commercial Loan [Member] \| Health Care/Social Assistance [Member]
Number of Loans \| contract			94
Loans Balance \| $			$ 32,663
Commercial Loan [Member] \| RE/Rental/Leasing - Multifamily [Member]
Number of Loans \| contract			50
Loans Balance \| $			$ 30,770
Commercial Loan [Member] \| RE/Rental/Leasing - Developers [Member]
Number of Loans \| contract			21
Loans Balance \| $			$ 27,760
Commercial Loan [Member] \| Manufacturing [Member]
Number of Loans \| contract			46
Loans Balance \| $			$ 26,080
Commercial Loan [Member] \| Construction - All Other [Member]
Number of Loans \| contract			228
Loans Balance \| $			$ 22,739
Commercial Loan [Member] \| Prof/Scientific/Technical [Member]
Number of Loans \| contract			90
Loans Balance \| $			$ 19,871
Commercial Loan [Member] \| Trade [Member]
Number of Loans \| contract			255
Loans Balance \| $			$ 17,376
Commercial Loan [Member] \| Transportation/Warehousing [Member]
Number of Loans \| contract			94
Loans Balance \| $			$ 15,175
Commercial Loan [Member] \| Food Service [Member]
Number of Loans \| contract			39
Loans Balance \| $			$ 9,350
Commercial Loan [Member] \| Public Administration [Member]
Number of Loans \| contract			26
Loans Balance \| $			$ 9,258
Commercial Loan [Member] \| Entertainment Recreation [Member]
Number of Loans \| contract			21
Loans Balance \| $			$ 5,217
Commercial Loan [Member] \| Agriculture [Member]
Number of Loans \| contract			43
Loans Balance \| $			$ 4,111
Commercial Loan [Member] \| Energy [Member]
Number of Loans \| contract			10
Loans Balance \| $			$ 1,681
Mortgage And Consumer [Member]
Number of Loans \| contract			7,447
Loans Balance \| $			$ 471,200
Loan Portfolios [Member] \| Credit Concentration Risk [Member]
Balance as % of Total Portfolio			100.00%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member]
Balance as % of Total Portfolio			55.30%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Non-Owner Occupied [Member]
Balance as % of Total Portfolio			11.30%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - All Other [Member]
Balance as % of Total Portfolio			8.80%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Construction - Developers [Member]
Balance as % of Total Portfolio			5.40%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Accommodations [Member]
Balance as % of Total Portfolio			4.50%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Services [Member]
Balance as % of Total Portfolio			4.20%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Health Care/Social Assistance [Member]
Balance as % of Total Portfolio			3.10%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Multifamily [Member]
Balance as % of Total Portfolio			2.90%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Developers [Member]
Balance as % of Total Portfolio			2.60%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Manufacturing [Member]
Balance as % of Total Portfolio			2.50%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Construction - All Other [Member]
Balance as % of Total Portfolio			2.20%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Prof/Scientific/Technical [Member]
Balance as % of Total Portfolio			1.90%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Trade [Member]
Balance as % of Total Portfolio			1.60%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Transportation/Warehousing [Member]
Balance as % of Total Portfolio			1.40%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Food Service [Member]
Balance as % of Total Portfolio			0.90%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Public Administration [Member]
Balance as % of Total Portfolio			0.90%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Entertainment Recreation [Member]
Balance as % of Total Portfolio			0.50%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Agriculture [Member]
Balance as % of Total Portfolio			0.40%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Energy [Member]
Balance as % of Total Portfolio			0.20%
Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Mortgage And Consumer [Member]
Balance as % of Total Portfolio			44.70%
COVID-19 [Member] \| Subsequent Event [Member]
Number of Loans \| contract		508
Loans Balance \| $		$ 161,225
COVID-19 [Member] \| Commercial Loan [Member] \| Subsequent Event [Member]
Number of Loans \| contract	173
Loans Balance \| $	$ 115,270
COVID-19 [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Non-Owner Occupied [Member] \| Subsequent Event [Member]
Number of Loans \| contract	14
Loans Balance \| $	$ 31,069
COVID-19 [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - All Other [Member] \| Subsequent Event [Member]
Number of Loans \| contract	32
Loans Balance \| $	$ 15,934
COVID-19 [Member] \| Commercial Loan [Member] \| Accommodations [Member] \| Subsequent Event [Member]
Number of Loans \| contract	10
Loans Balance \| $	$ 22,050
COVID-19 [Member] \| Commercial Loan [Member] \| Services [Member] \| Subsequent Event [Member]
Number of Loans \| contract	21
Loans Balance \| $	$ 11,187
COVID-19 [Member] \| Commercial Loan [Member] \| Health Care/Social Assistance [Member] \| Subsequent Event [Member]
Number of Loans \| contract	25
Loans Balance \| $	$ 11,598
COVID-19 [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Multifamily [Member] \| Subsequent Event [Member]
Number of Loans \| contract	10
Loans Balance \| $	$ 4,652
COVID-19 [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Developers [Member] \| Subsequent Event [Member]
Number of Loans \| contract	1
Loans Balance \| $	$ 18
COVID-19 [Member] \| Commercial Loan [Member] \| Manufacturing [Member] \| Subsequent Event [Member]
Number of Loans \| contract	5
Loans Balance \| $	$ 4,394
COVID-19 [Member] \| Commercial Loan [Member] \| Construction - All Other [Member] \| Subsequent Event [Member]
Number of Loans \| contract	20
Loans Balance \| $	$ 2,841
COVID-19 [Member] \| Commercial Loan [Member] \| Prof/Scientific/Technical [Member] \| Subsequent Event [Member]
Number of Loans \| contract	9
Loans Balance \| $	$ 5,863
COVID-19 [Member] \| Commercial Loan [Member] \| Trade [Member] \| Subsequent Event [Member]
Number of Loans \| contract	5
Loans Balance \| $	$ 1,036
COVID-19 [Member] \| Commercial Loan [Member] \| Transportation/Warehousing [Member] \| Subsequent Event [Member]
Number of Loans \| contract	5
Loans Balance \| $	$ 194
COVID-19 [Member] \| Commercial Loan [Member] \| Food Service [Member] \| Subsequent Event [Member]
Number of Loans \| contract	11
Loans Balance \| $	$ 2,943
COVID-19 [Member] \| Commercial Loan [Member] \| Entertainment Recreation [Member] \| Subsequent Event [Member]
Number of Loans \| contract	3
Loans Balance \| $	$ 983
COVID-19 [Member] \| Commercial Loan [Member] \| Agriculture [Member] \| Subsequent Event [Member]
Number of Loans \| contract	2
Loans Balance \| $	$ 508
COVID-19 [Member] \| Mortgage And Consumer [Member] \| Subsequent Event [Member]
Number of Loans \| contract	335
Loans Balance \| $	$ 45,955
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio		15.30%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	19.80%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Non-Owner Occupied [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	26.10%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - All Other [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	17.20%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Construction - Developers [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	0.00%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Accommodations [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	46.70%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Services [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	25.30%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Health Care/Social Assistance [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	35.50%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Multifamily [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	15.10%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| RE/Rental/Leasing - Developers [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	0.10%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Manufacturing [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	16.80%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Construction - All Other [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	12.50%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Prof/Scientific/Technical [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	29.50%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Trade [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	6.00%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Transportation/Warehousing [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	1.30%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Food Service [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	31.50%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Public Administration [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	0.00%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Entertainment Recreation [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	18.80%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Agriculture [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	12.40%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Commercial Loan [Member] \| Energy [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	0.00%
COVID-19 [Member] \| Loan Portfolios [Member] \| Credit Concentration Risk [Member] \| Mortgage And Consumer [Member] \| Subsequent Event [Member]
Balance as % of Total Portfolio	9.80%