Loans And Leases (Narrative) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) loan
Accounts Notes And Loans Receivable [Line Items]
Loans	$ 550,683	$ 406,406
Loans 90 days or more past due and still accruing interest
Total TDR's	3,161	3,386
Allocated specific reserves to modified TDRs	22	$ 25
Number of loans modified as a TDR \| loan		1
TDR's charge-offs	0	$ 0
Cash payments of interest	$ 192	190
Northpointe [Member] \| Mortgage Purchase Program [Member]
Accounts Notes And Loans Receivable [Line Items]
Percent of loans risk rated for capital adequacy	100.00%
Percent of participation agreement interest	95.00%
Ownership interest in each loan is participates	5.00%
Nonaccrual [Member] \| Commitments To Lend Additional Amounts [Member]
Accounts Notes And Loans Receivable [Line Items]
Total TDR's	$ 0	0
Single-Family Residential [Member] \| Northpointe [Member] \| Mortgage Purchase Program [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	36,845	37,665
Other Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Total TDR's	64,898	46,731
Accruing [Member]
Accounts Notes And Loans Receivable [Line Items]
Total TDR's	$ 3,061	$ 3,271
Commercial [Member]
Accounts Notes And Loans Receivable [Line Items]
Number of loans modified as a TDR \| loan		1
TDR's charge-offs		$ 841

Allocated specific reserves to modified TDRs.

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Loans Participation Agreement Percentage

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Ownership Interest In Each Loan

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Percent Of Loans Held Risk Rated For Capital Adequacy

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Number of financing receivables that have been modified by troubled debt restructurings.

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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Recorded investment in financing receivables that are 90 days or more past due and still accruing.

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- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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