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Loans and Allowance for Credit Losses - Allowance for Credit Loss Activity (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | $ 101,340 | $ 98,576
Provision for credit losses on loans | 1,090 | (698)
Charge-offs | (4,459) | (982)
Recoveries | 9,574 | 3,019
Net Recoveries/(Charge-offs) | (5,115) | (2,037)
Balance at End of Period | 108,113 | 99,915
Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 568 |
Commercial Loans | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 41,428 | 50,700
Provision for credit losses on loans | (1,011) | (1,996)
Charge-offs | 0 | 0
Recoveries | 9 | 199
Net Recoveries/(Charge-offs) | (9) | (199)
Balance at End of Period | 40,426 | 48,903
Commercial Loans | Commercial real estate | Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 0 |
Commercial Loans | Commercial and industrial |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 25,710 | 19,727
Provision for credit losses on loans | (476) | (206)
Charge-offs | (3,412) | 0
Recoveries | 9,400 | 2,716
Net Recoveries/(Charge-offs) | (5,988) | (2,716)
Balance at End of Period | 31,297 | 22,237
Commercial Loans | Commercial and industrial | Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 75 |
Commercial Loans | Commercial construction |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 6,264 | 5,355
Provision for credit losses on loans | 412 | (27)
Charge-offs | 0 | 0
Recoveries | 2 | 1
Net Recoveries/(Charge-offs) | (2) | (1)
Balance at End of Period | 6,893 | 5,329
Commercial Loans | Commercial construction | Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 215 |
Commercial Loans | Business banking |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 12,547 | 11,338
Provision for credit losses on loans | 1,497 | 765
Charge-offs | (652) | (606)
Recoveries | 37 | 0
Net Recoveries/(Charge-offs) | 615 | 606
Balance at End of Period | 13,680 | 11,497
Commercial Loans | Business banking | Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 251 |
Consumer Loans | Consumer real estate |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 12,105 | 8,733
Provision for credit losses on loans | 488 | 426
Charge-offs | (77) | (78)
Recoveries | 61 | 37
Net Recoveries/(Charge-offs) | 16 | 41
Balance at End of Period | 12,855 | 9,118
Consumer Loans | Consumer real estate | Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 278 |
Consumer Loans | Other consumer |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 3,286 | 2,723
Provision for credit losses on loans | 180 | 340
Charge-offs | (318) | (298)
Recoveries | 65 | 66
Net Recoveries/(Charge-offs) | 253 | 232
Balance at End of Period | 2,962 | $ 2,831
Consumer Loans | Other consumer | Impact of adopting ASU 2022-02 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | $ (251) |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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