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Fair Value (Carrying Amounts and Estimated Fair Value for Financial Instrument Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
AFS securities | $ 1,115,813 | $ 918,118 |  |
HTM securities | 1,297 | 1,302 |  |
Debt Securities, Held-to-maturity, Fair Value | 1,411 | 1,359 |  |
Servicing Assets, Fair Value Disclosure | 1,437 |  |  |
Servicing Asset at Fair Value, Amount | 2,447 | 1,496 | $ 1,677 | $ 1,766
Financial liabilities: |  |  |  |
Time deposits | 460,278 | 594,881 |  |
Federal Home Loan Bank Borrowings, Fair Value Disclosure | 162,420 | 268,631 |  |
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 25,442 | 10,002 |  |
Subordinated debentures | 46,475 | 50,171 |  |
Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Debt Securities, Held-to-maturity, Fair Value | 0 | 0 |  |
Servicing Assets, Fair Value Disclosure | 0 |  |  |
Servicing Asset at Fair Value, Amount |  | 0 |  |
Financial liabilities: |  |  |  |
Time deposits | 0 | 0 |  |
Federal Home Loan Bank Borrowings, Fair Value Disclosure | 0 | 0 |  |
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 0 | 0 |  |
Subordinated debentures | 0 | 0 |  |
Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Debt Securities, Held-to-maturity, Fair Value | 1,411 | 1,359 |  |
Servicing Assets, Fair Value Disclosure | 0 |  |  |
Servicing Asset at Fair Value, Amount |  | 0 |  |
Financial liabilities: |  |  |  |
Time deposits | 460,278 | 594,881 |  |
Federal Home Loan Bank Borrowings, Fair Value Disclosure | 162,420 | 268,631 |  |
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 25,442 | 10,002 |  |
Subordinated debentures | 46,475 | 50,171 |  |
Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Debt Securities, Held-to-maturity, Fair Value | 0 | 0 |  |
Servicing Assets, Fair Value Disclosure | 1,437 |  |  |
Servicing Asset at Fair Value, Amount |  | 1,496 |  |
Financial liabilities: |  |  |  |
Time deposits | 0 | 0 |  |
Federal Home Loan Bank Borrowings, Fair Value Disclosure | 0 | 0 |  |
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 0 | 0 |  |
Subordinated debentures | 0 | 0 |  |
Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
HTM securities | 1,297 | 1,302 |  |
Servicing Assets, Fair Value Disclosure | 2,196 |  |  |
Servicing Asset at Fair Value, Amount |  | 877 |  |
Financial liabilities: |  |  |  |
Time deposits | 457,694 | 595,549 |  |
Federal Home Loan Bank Borrowings, Fair Value Disclosure | 162,439 | 268,809 |  |
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 25,000 | 10,000 |  |
Subordinated debentures | 58,331 | 59,080 |  |
Residential real estate |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 1,066,991 | 1,066,544 |  |
Residential real estate | Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Residential real estate | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Residential real estate | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 1,066,991 | 1,066,544 |  |
Residential real estate | Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 1,051,324 | 1,064,532 |  |
Commercial real estate |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 1,307,132 | 1,196,297 |  |
Commercial real estate | Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Commercial real estate | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Commercial real estate | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 1,307,132 | 1,196,297 |  |
Commercial real estate | Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 1,344,860 | 1,230,983 |  |
Commercial |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 372,194 | 431,892 |  |
Commercial | Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Commercial | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Commercial | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 372,194 | 431,892 |  |
Commercial | Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 374,791 | 438,716 |  |
Home equity |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 253,276 | 293,565 |  |
Home equity | Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Home equity | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Home equity | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 253,276 | 293,565 |  |
Home equity | Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 255,957 | 310,356 |  |
Consumer |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 18,102 | 23,355 |  |
Consumer | Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Consumer | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 | 0 |  |
Consumer | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 18,102 | 23,355 |  |
Consumer | Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 19,999 | 25,265 |  |
SBA PPP Portfolio Segment |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 137,209 |  |  |
SBA PPP Portfolio Segment | Readily Available Market Prices (Level 1) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 |  |  |
SBA PPP Portfolio Segment | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 0 |  |  |
SBA PPP Portfolio Segment | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 137,209 |  |  |
SBA PPP Portfolio Segment | Carrying Amount [Member] |  |  |  |
Financial assets: |  |  |  |
Loans receivable, net of allowance | 135,026 |  |  |
Fair Value, Measurements, Recurring [Member] |  |  |  |
Financial liabilities: |  |  |  |
Junior subordinated debt interest rate swaps |  | 8,187 |  |
Fair Value, Measurements, Recurring [Member] | Observable Market Data (Level 2) [Member] |  |  |  |
Financial liabilities: |  |  |  |
Junior subordinated debt interest rate swaps |  | 8,187 |  |
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Financial assets: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 39,627 | 17,756 |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 39,627 | 17,756 |  |
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 39,627 | 17,756 |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 39,627 | 17,756 |  |
Interest Rate Lock Commitments [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Financial assets: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 608 | 480 |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 248 | 18 |  |
Interest Rate Lock Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 608 | 480 |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 248 | 18 |  |
Interest Rate Lock Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Company Determined Fair Value (Level 3) [Member] |  |  |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0 |  |
Forward Contracts [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Financial assets: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 311 | 312 |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 196 | 15 |  |
Forward Contracts [Member] | Fair Value, Measurements, Recurring [Member] | Observable Market Data (Level 2) [Member] |  |  |  |
Financial assets: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 311 | 312 |  |
Financial liabilities: |  |  |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | $ 196 | $ 15 |  |

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