Loans (Commercial Loan Portfolio Categorized by Internally Assigned Asset Classification) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Commercial Business [Member]
Financing Receivable Recorded Investment [Line Items]
2020	$ 351,185
2019	113,040
2018	83,233
2017	33,163
2016	8,438
Prior	17,934
Revolving Loans Amortized Cost Basis	187,155
Revolving Loans Converted to Term	0
Total	794,148
Commercial Business [Member] \| Uncriticized [Member]
Financing Receivable Recorded Investment [Line Items]
2020	350,992
2019	112,469
2018	82,029
2017	31,990
2016	8,195
Prior	16,600
Revolving Loans Amortized Cost Basis	179,770
Revolving Loans Converted to Term	0
Total	782,045
Commercial Business [Member] \| Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
2020	0
2019	360
2018	21
2017	709
2016	41
Prior	1,025
Revolving Loans Amortized Cost Basis	2,995
Revolving Loans Converted to Term	0
Total	5,151
Commercial Business [Member] \| Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
2020	193
2019	211
2018	1,183
2017	464
2016	202
Prior	309
Revolving Loans Amortized Cost Basis	4,390
Revolving Loans Converted to Term	0
Total	6,952
Commercial Business [Member] \| Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Commercial Mortgage [Member]
Financing Receivable Recorded Investment [Line Items]
2020	324,852
2019	272,232
2018	185,234
2017	190,949
2016	87,174
Prior	192,487
Revolving Loans Amortized Cost Basis	973
Revolving Loans Converted to Term	0
Total	1,253,901
Commercial Mortgage [Member] \| Uncriticized [Member]
Financing Receivable Recorded Investment [Line Items]
2020	310,364
2019	227,406
2018	163,839
2017	161,771
2016	74,915
Prior	154,399
Revolving Loans Amortized Cost Basis	731
Revolving Loans Converted to Term	0
Total	1,093,425
Commercial Mortgage [Member] \| Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
2020	14,299
2019	42,305
2018	19,505
2017	27,530
2016	12,256
Prior	28,744
Revolving Loans Amortized Cost Basis	43
Revolving Loans Converted to Term	0
Total	144,682
Commercial Mortgage [Member] \| Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
2020	189
2019	2,521
2018	1,890
2017	1,648
2016	3
Prior	9,344
Revolving Loans Amortized Cost Basis	199
Revolving Loans Converted to Term	0
Total	15,794
Commercial Mortgage [Member] \| Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	$ 0

Financing receivable after deferred income offset amount.

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- Definition

Amount of financing receivable originated more than five years prior to current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
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- Definition

Amount of financing receivable originated four years prior to current fiscal year.

+ References

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- Definition

Amount of financing receivable originated in current fiscal year.

+ References

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- Definition

Amount of financing receivable originated in fiscal year prior to current fiscal year.

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- Definition

Amount of financing receivable originated three years prior to current fiscal year.

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- Definition

Amount of financing receivable originated two years prior to current fiscal year.

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- 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

No definition available.

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- Definition

Amount of financing receivable that can be withdrawn, repaid and redrawn.

+ References

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- Definition

Amount of revolving financing receivable converted to term loan.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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