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Loans (Commercial Loan Portfolio Categorized by Internally Assigned Asset Classification) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Commercial Business [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | $ 65,134 | $ 351,185
Prior Fiscal Year 1 | 175,543 | 113,040
Prior Fiscal Year 2 | 97,494 | 83,233
Prior Fiscal Year 3 | 61,814 | 33,163
Prior Fiscal Year 4 | 20,239 | 8,438
Prior | 22,673 | 17,934
Revolving Loans Amortized Cost Basis | 288,311 | 187,155
Revolving Loans Converted to Term | 0 | 0
Total | 731,208 | 794,148
Commercial Business [Member] | Uncriticized [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 65,107 | 350,992
Prior Fiscal Year 1 | 175,374 | 112,469
Prior Fiscal Year 2 | 97,307 | 82,029
Prior Fiscal Year 3 | 60,740 | 31,990
Prior Fiscal Year 4 | 20,000 | 8,195
Prior | 21,457 | 16,600
Revolving Loans Amortized Cost Basis | 281,613 | 179,770
Revolving Loans Converted to Term | 0 | 0
Total | 721,598 | 782,045
Commercial Business [Member] | Special Mention [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 27 | 0
Prior Fiscal Year 1 | 104 | 360
Prior Fiscal Year 2 | 14 | 21
Prior Fiscal Year 3 | 129 | 709
Prior Fiscal Year 4 | 26 | 41
Prior | 1,083 | 1,025
Revolving Loans Amortized Cost Basis | 2,974 | 2,995
Revolving Loans Converted to Term | 0 | 0
Total | 4,357 | 5,151
Commercial Business [Member] | Substandard [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 193
Prior Fiscal Year 1 | 65 | 211
Prior Fiscal Year 2 | 173 | 1,183
Prior Fiscal Year 3 | 945 | 464
Prior Fiscal Year 4 | 213 | 202
Prior | 133 | 309
Revolving Loans Amortized Cost Basis | 3,724 | 4,390
Revolving Loans Converted to Term | 0 | 0
Total | 5,253 | 6,952
Commercial Business [Member] | Doubtful [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 0
Prior Fiscal Year 2 | 0 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Commercial Mortgage [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 137,566 | 324,852
Prior Fiscal Year 1 | 357,267 | 272,232
Prior Fiscal Year 2 | 249,519 | 185,234
Prior Fiscal Year 3 | 167,080 | 190,949
Prior Fiscal Year 4 | 172,621 | 87,174
Prior | 231,186 | 192,487
Revolving Loans Amortized Cost Basis | 165 | 973
Revolving Loans Converted to Term | 0 | 0
Total | 1,315,404 | 1,253,901
Commercial Mortgage [Member] | Uncriticized [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 137,070 | 310,364
Prior Fiscal Year 1 | 340,304 | 227,406
Prior Fiscal Year 2 | 196,386 | 163,839
Prior Fiscal Year 3 | 145,712 | 161,771
Prior Fiscal Year 4 | 145,919 | 74,915
Prior | 181,455 | 154,399
Revolving Loans Amortized Cost Basis | 165 | 731
Revolving Loans Converted to Term | 0 | 0
Total | 1,147,011 | 1,093,425
Commercial Mortgage [Member] | Special Mention [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 496 | 14,299
Prior Fiscal Year 1 | 16,636 | 42,305
Prior Fiscal Year 2 | 50,195 | 19,505
Prior Fiscal Year 3 | 9,635 | 27,530
Prior Fiscal Year 4 | 25,426 | 12,256
Prior | 39,954 | 28,744
Revolving Loans Amortized Cost Basis | 0 | 43
Revolving Loans Converted to Term | 0 | 0
Total | 142,342 | 144,682
Commercial Mortgage [Member] | Substandard [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 189
Prior Fiscal Year 1 | 327 | 2,521
Prior Fiscal Year 2 | 2,938 | 1,890
Prior Fiscal Year 3 | 11,733 | 1,648
Prior Fiscal Year 4 | 1,276 | 3
Prior | 9,777 | 9,344
Revolving Loans Amortized Cost Basis | 0 | 199
Revolving Loans Converted to Term | 0 | 0
Total | 26,051 | 15,794
Commercial Mortgage [Member] | Doubtful [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 0
Prior Fiscal Year 2 | 0 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | $ 0 | $ 0

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