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Loans Receivable and Allowance for Credit Losses (Loans Modified as TDRs that Subsequently Defaulted) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) loan | Dec. 31, 2020 USD ($) loan | Dec. 31, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Number of Loans | loan | 1 | 1 |
Recorded Investment | $ 11,431 | $ 15,852 |
Remaining TDR loan commitments | $ 5,000 | $ 3,000 |
Commercial Lending |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Number of Loans | loan | 1 | 1 |
Recorded Investment | $ 11,431 | $ 15,852 |
Commercial Lending | C&I |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Number of Loans | loan | 1 | 1 |
Recorded Investment | $ 11,431 | $ 15,852 |
Non-PCI loans |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Number of Loans | loan |  |  | 3
Recorded Investment |  |  | $ 13,112
Non-PCI loans | Commercial Lending |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Number of Loans | loan |  |  | 3
Recorded Investment |  |  | $ 13,112
Non-PCI loans | Commercial Lending | C&I |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Number of Loans | loan |  |  | 3
Recorded Investment |  |  | $ 13,112

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- Definition Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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- Definition Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + Details
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