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Loans And Leases (Narrative) (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) loan | Jun. 30, 2020 USD ($) loan | Jun. 30, 2021 USD ($) loan | Jun. 30, 2020 USD ($) loan | Dec. 31, 2020 USD ($)
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Loans | $ 1,001,477,000 |  | $ 1,001,477,000 |  | $ 895,344,000
Loans 90 days or more past due and still accruing interest |  |  |  |  |
Total TDR's | 3,030,000 |  | 3,030,000 |  | 3,090,000
Allocated specific reserves to modified TDRs | $ 23,000 |  | $ 23,000 |  | 23,000
Number of loans modified as a TDR | loan | 0 | 0 | 0 | 0 |
Number of TDRs in payment default | loan | 0 | 0 |  |  |
Cash payments of interest | $ 41,000 | $ 11,000 | $ 89,000 | $ 53,000 |
Loans | $ 1,016,972,000 |  | $ 1,016,972,000 |  | 912,366,000
Northpointe [Member] | Mortgage Purchase Program [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Average days |  |  | 14 days |  |
Percent of loans risk rated for capital adequacy |  |  | 100.00% |  |
Percent of participation agreement interest | 95.00% |  | 95.00% |  |
Ownership interest in each loan is participates |  |  | 5.00% |  |
Allowance allocated loans | $ 0 |  | $ 0 |  |
Single-Family Residential [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Loans | 240,531,000 |  | 240,531,000 |  | 147,860,000
Single-Family Residential [Member] | Northpointe [Member] | Mortgage Purchase Program [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Loans | 0 |  | 0 |  | 15,713,000
Commercial Real Estate [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Loans | 281,368,000 |  | 281,368,000 |  | 338,286,000
Accruing [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total TDR's | 2,865,000 |  | 2,865,000 |  | 2,900,000
Commercial Loans - Paycheck Protection Program [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Loans | $ 28,221,000 |  | $ 28,221,000 |  | $ 105,269,000
Maturity term |  |  | 2 years |  |
Stated interest rate | 1.00% |  | 1.00% |  |

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