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Loans (Loan Portfolio) (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | $ 3,451,529 | $ 3,179,465
Net Deferred Loan (Fees) Costs | 34,292 | 41,522
Loans, Net | 3,485,821 | 3,220,987
Allowance for credit losses - loans | (46,316) | (30,482)
Total loans, net | 3,439,505 | 3,190,505
Commercial Business [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | 824,818 | 571,222
Net Deferred Loan (Fees) Costs | (6,127) | 818
Loans, Net | 818,691 | 572,040
Allowance for credit losses - loans |  | (11,358)
Commercial Mortgage [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | 1,142,359 | 1,108,315
Net Deferred Loan (Fees) Costs | (2,033) | (2,032)
Loans, Net | 1,140,326 | 1,106,283
Allowance for credit losses - loans |  | (5,681)
Residential Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | 572,562 | 560,717
Net Deferred Loan (Fees) Costs | 12,473 | 11,633
Loans, Net | 585,035 | 572,350
Allowance for credit losses - loans |  | (1,059)
Residential Real Estate Lines [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | 94,285 | 101,048
Net Deferred Loan (Fees) Costs | 3,142 | 3,070
Loans, Net | 97,427 | 104,118
Allowance for credit losses - loans |  | (118)
Consumer Indirect [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | 801,434 | 822,179
Net Deferred Loan (Fees) Costs | 26,671 | 27,873
Loans, Net | 828,105 | 850,052
Allowance for credit losses - loans |  | (11,852)
Other Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal Amount Outstanding | 16,071 | 15,984
Net Deferred Loan (Fees) Costs | 166 | 160
Loans, Net | $ 16,237 | 16,144
Allowance for credit losses - loans |  | $ (414)

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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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