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Loans And Leases (Balance In ALLL And Recorded Investment In Loans By Portfolio Segment And Based On Impairment Method) (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment		$ 27		$ 26
Collectively evaluated for impairment		6,954		6,944
Total ending allowance balance		6,981	$ 6,976	6,970	$ 6,958	$ 6,942	$ 6,925
Individually evaluated for impairment		3,480		3,576
Collectively evaluated for impairment		474,058		409,800
Subtotal		477,538		413,376
Single-Family Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment		1,039		912
Total ending allowance balance		1,039	1,039	912	956	866	735
Individually evaluated for impairment		113		116
Collectively evaluated for impairment		104,082		95,462
Subtotal		104,195		95,578
Multi-Family Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment		697		660
Total ending allowance balance		697	687	660	725	629	716
Collectively evaluated for impairment		45,907		35,665
Subtotal		45,907		35,665
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment		614		672
Total ending allowance balance		614	614	672	586	654	580
Collectively evaluated for impairment		45,069		42,862
Subtotal		45,069		42,862
Home Equity Lines of Credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment		486		597
Total ending allowance balance		486	521	597	554	504	486
Collectively evaluated for impairment		24,499		25,054
Subtotal		24,499		25,054
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment		1,889		1,984
Total ending allowance balance		1,889	1,869	1,984	1,770	1,768	1,647
Individually evaluated for impairment		207		277
Collectively evaluated for impairment		116,651		101,698
Subtotal	[1]	116,858		101,975
Real Estate Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment		27		26
Collectively evaluated for impairment		2,122		2,117
Total ending allowance balance		2,149	2,139	2,143	2,365	2,491	2,727
Individually evaluated for impairment		3,160		3,183
Collectively evaluated for impairment		131,842		108,683
Subtotal		135,002		111,866
Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment		107		2
Total ending allowance balance		107	$ 107	2	$ 2	$ 30	$ 34
Collectively evaluated for impairment		6,008		376
Subtotal		$ 6,008		$ 376
[1] Includes $5,708 and $6,008 of commercial leases at June 30, 2018 and December 31, 2017, respectively.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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