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Loans and Allowance for Credit Losses on Loans (Credit Risk Exposure Indicators by Portfolio Segment) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | $ 3,431,474 | $ 3,219,822 | $ 3,095,023
Residential real estate |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | 1,306,447 | 1,054,798 | 1,070,374
Commercial real estate |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans |  |  | 1,243,397
Commercial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | 363,695 | 381,494 | 442,701
Home equity |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | 210,403 | 258,573 | 312,779
Consumer |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | $ 19,516 | $ 20,392 | $ 25,772

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes 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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 + Details
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