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Fair Value Measurements (Assets Measured at Fair Value on a Recurring and Non-Recurring Basis) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020
--- | --- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | $ 1,097,950 | $ 628,059 |
Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,484 |  |
Collateral Dependent Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 54,554 |  |
Measured On A Recurring Basis [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,099,062 | 627,748 |
Liabilities at fair value | 363 | 196 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Liabilities [Member] | Cash Flow Hedge of Interest Rate Risk [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  | (311) |
Measured On A Recurring Basis [Member] | Derivative Instruments, Liabilities [Member] | Interest Rate Swaps [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | (14,658) | (19,837) |
Measured On A Recurring Basis [Member] | Derivative Instruments, Liabilities [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | (1) | (86) |
Measured On A Recurring Basis [Member] | Derivative Instruments, Liabilities [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | (5) | (1) |
Measured On A Recurring Basis [Member] | U.S. Government Agency And Government Sponsored Enterprises [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 6,531 | 6,635 |
Measured On A Recurring Basis [Member] | Mortgage-Backed Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 1,091,419 | 621,424 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Cash Flow Hedge of Interest Rate Risk [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,112 |  |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Interest Rate Swaps [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 14,653 | 19,626 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 0 | 23 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 374 | 471 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,099,062 | 627,748 |
Liabilities at fair value | 363 | 196 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Liabilities [Member] | Cash Flow Hedge of Interest Rate Risk [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  | (311) |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Liabilities [Member] | Interest Rate Swaps [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | (14,658) | (19,837) |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Liabilities [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | (1) | (86) |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Liabilities [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | (5) | (1) |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | U.S. Government Agency And Government Sponsored Enterprises [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 6,531 | 6,635 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Mortgage-Backed Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 1,091,419 | 621,424 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Cash Flow Hedge of Interest Rate Risk [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,112 |  |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Interest Rate Swaps [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 14,653 | 19,626 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 0 | 23 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 374 | 471 |
Measured On A Nonrecurring Basis [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 66,295 | 38,025 |
Liabilities at fair value | 0 |  | $ 0
Measured On A Nonrecurring Basis [Member] | Loans Held For Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 5,916 | 4,305 |
Measured On A Nonrecurring Basis [Member] | Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,484 | 1,320 |
Measured On A Nonrecurring Basis [Member] | Collateral Dependent Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 54,554 | 29,434 |
Measured On A Nonrecurring Basis [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  | 2,966 |
Measured On A Nonrecurring Basis [Member] | Long-lived Assets Held for Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 4,341 |  |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 10,257 | 4,305 |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] | Loans Held For Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 5,916 | 4,305 |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] | Long-lived Assets Held for Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 4,341 |  |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 56,038 | 33,720 |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,484 | 1,320 |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Collateral Dependent Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | $ 54,554 | 29,434 |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  | $ 2,966 |

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