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Loans and the Allowance for Credit Losses (Details) - Loans receivable on nonaccrual status - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020 | Jun. 30, 2020
--- | --- | --- | ---
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | $ 56,213 | $ 61,696 |
Nonaccrual Loans with an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 33,665 |  |
Nonaccrual Loans without an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 22,548 |  |
Commercial Portfolio Segment [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 31,083 | 33,019 | $ 31,083
Commercial Portfolio Segment [Member] | Nonaccrual Loans with an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 28,009 |  |
Commercial Portfolio Segment [Member] | Nonaccrual Loans without an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 3,074 |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 16,005 | 10,111 | 16,005
Commercial Real Estate Portfolio Segment [Member] | Nonaccrual Loans with an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 2,722 |  |
Commercial Real Estate Portfolio Segment [Member] | Nonaccrual Loans without an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 13,283 |  |
Commercial Construction Portfolio Segment [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 4,765 | 14,015 | 4,765
Commercial Construction Portfolio Segment [Member] | Nonaccrual Loans with an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 2,934 |  |
Commercial Construction Portfolio Segment [Member] | Nonaccrual Loans without an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 1,831 |  |
Residential Real Estate Portfolio Segment [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 4,360 | 4,551 | $ 4,360
Residential Real Estate Portfolio Segment [Member] | Nonaccrual Loans with an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status |  |  |
Residential Real Estate Portfolio Segment [Member] | Nonaccrual Loans without an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 4,360 |  |
Consumer Portfolio Segment [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status |  |  |
Consumer Portfolio Segment [Member] | Nonaccrual Loans with an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status |  |  |
Consumer Portfolio Segment [Member] | Nonaccrual Loans without an ACL [Member] |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Loans receivable on nonaccrual status [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status |  |  |

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