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Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands |  | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 27, 2020 USD ($) | Sep. 30, 2022 USD ($) Customer Borrowers DerivativeInstrument | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 27, 2020 USD ($) | Dec. 31, 2015 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Loans |  | $ 3,822,745 | $ 3,639,760 |  |  |
Payment Deferral [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Loans |  | $ 2,200 | 46,200 |  |  |
Subordinated Notes [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of designated derivative instrument | DerivativeInstrument |  | 1 |  |  |  |
Debt instrument issued amount |  |  |  |  |  | $ 40,000
Subordinated Notes [Member] | LIBOR [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Debt instrument, fixed rate of interest |  |  |  |  |  | 6.00%
Debt instrument, interest rate terms |  | three-month LIBOR plus 3.944% |  |  |  |
Debt instrument, basis spread on variable rate |  | 3.944% |  |  |  |
CARES Act [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated amount of relief fund | $ 2,200,000,000 |  |  |  |  |
Paycheck Protection Program [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Loans |  | $ 2,900 | $ 57,500 |  | $ 284,000,000 |
Loans forgiveness amount |  | 375,000 |  |  |  |
Paycheck Protection Program [Member] | Minimum [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Loans |  | $ 378,000 |  |  |  |
Number of customers | Customer |  | 2,900 |  |  |  |
COVID-19 [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Loans |  |  |  | $ 532,400 |  |
Number of Borrowers | Borrowers |  | 6,600 |  |  |  |
COVID-19 [Member] | Maximum [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of loans with active payment deferrals |  | 1.00% |  |  |  |

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