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Derivatives and Hedging Activities (Derivative Financial Instruments included in OCI and Current Earnings) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | $ 5,054 | $ 18,691 | $ 14,306
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Loss on Termination of Derivatives, before Tax | 0 | 0 | (684)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax | (50,767) | (19,139) | 16,797
Derivatives designated as hedges: [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax |  | 18,691 |
Derivatives not designated as hedges: [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Other income | (687) | (4,913) | 3,896
Other Expense [Member] | Derivatives not designated as hedges: [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Other income | (268) | (405) | (199)
Other Income [Member] | Derivatives not designated as hedges: [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Other income | 260 | 217 | 90
Mortgage banking income | Derivatives not designated as hedges: [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Increase Decrease In Fair Value Of Unhedged Derivative Instruments Relating To Residential Loans | (679) | (4,725) | 4,005
Derivatives designated as hedges: [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax | $ (50,767) | $ (19,139) | $ 16,797

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- Definition The increase (decrease) during the period, which was recognized in earnings, in the unrealized gains or losses on derivative instruments relating to residential loans that are not or are no longer designated as hedging instruments. + References No definition available. + Details
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- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges resulting from a termination. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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