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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Allowance for Loan and Lease Losses by Type of Methodology) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
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Financing Receivable, Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | $ 21,919 |  | $ 16,155 |  |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 8,898 |  | 3,365 |  |  |
Allowance for loan and lease losses | 30,817 | $ 27,464 | 19,520 | $ 20,170 | $ 19,819 | $ 20,425
Financing Receivable, Collectively Evaluated for Impairment | 2,141,959 |  | 1,694,623 |  |  |
Financing Receivable, Individually Evaluated for Impairment | 36,097 |  | 20,753 |  |  |
Loans and Leases Receivable, Gross | 2,178,056 |  | 1,715,376 |  |  |
Total commercial real estate |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 14,438 |  | 9,770 |  |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 5,742 |  | 1,082 |  |  |
Allowance for loan and lease losses | 20,180 | 16,438 | 10,852 | 11,138 | 11,269 | 11,662
Financing Receivable, Collectively Evaluated for Impairment | 1,311,493 |  | 1,148,070 |  |  |
Financing Receivable, Individually Evaluated for Impairment | 15,024 |  | 6,031 |  |  |
Loans and Leases Receivable, Gross | 1,326,517 |  | 1,154,101 |  |  |
Total commercial and Industrial |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 6,666 |  | 5,795 |  |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 3,156 |  | 2,283 |  |  |
Allowance for loan and lease losses | 9,822 | 10,179 | 8,078 | 8,411 | 7,892 | 8,079
Financing Receivable, Collectively Evaluated for Impairment | 794,048 |  | 517,030 |  |  |
Financing Receivable, Individually Evaluated for Impairment | 21,044 |  | 14,575 |  |  |
Loans and Leases Receivable, Gross | 815,092 |  | 531,605 |  |  |
Total consumer and other |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 815 |  | 590 |  |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |
Allowance for loan and lease losses | 815 | $ 847 | 590 | $ 621 | $ 658 | $ 684
Financing Receivable, Collectively Evaluated for Impairment | 36,418 |  | 29,523 |  |  |
Financing Receivable, Individually Evaluated for Impairment | 29 |  | 147 |  |  |
Loans and Leases Receivable, Gross | $ 36,447 |  | $ 29,670 |  |  |

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + 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 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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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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