Loans (Loans Individually And Collectively Evaluated For Impairment) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated for Impairment - Loans	$ 3,423	$ 1,947
Collectively Evaluated for Impairment - Loans	3,259,976	2,948,405
Total Loans	3,263,399	2,950,352
Individually Evaluated for Impairment - Allowance for Loan Losses	16	18
Collectively Evaluated for Impairment - Allowance for Loan Losses	30,822	33,766
Ending balance, allowance	30,838	33,784	$ 30,057	$ 27,256
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated for Impairment - Loans	22	48
Collectively Evaluated for Impairment - Loans	98,763	109,575
Total Loans	98,785	109,623
Collectively Evaluated for Impairment - Allowance for Loan Losses	1,158	1,441
Ending balance, allowance	1,158	1,441	1,408	928
Commercial Mortgages [Member] \| Multifamily Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively Evaluated for Impairment - Loans	756,714	682,593
Total Loans	756,714	682,593
Collectively Evaluated for Impairment - Allowance for Loan Losses	5,851	6,423
Ending balance, allowance	5,851	6,423	6,119	6,858
Commercial Mortgages [Member] \| Other Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively Evaluated for Impairment - Loans	433,330	414,783
Total Loans	433,330	414,783
Collectively Evaluated for Impairment - Allowance for Loan Losses	3,783	4,734
Ending balance, allowance	3,783	4,734	4,296	3,674
Commercial Mortgages [Member] \| Owner-occupied Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated for Impairment - Loans	520	531
Collectively Evaluated for Impairment - Loans	90,731	95,100
Total Loans	91,251	95,631
Collectively Evaluated for Impairment - Allowance for Loan Losses	743	1,076
Ending balance, allowance	743	1,076	959	1,047
Residential Mortgages [Member] \| Closed-End [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated for Impairment - Loans	1,814	1,368
Collectively Evaluated for Impairment - Loans	1,807,837	1,557,196
Total Loans	1,809,651	1,558,564
Individually Evaluated for Impairment - Allowance for Loan Losses	16	18
Collectively Evaluated for Impairment - Allowance for Loan Losses	18,828	19,329
Ending balance, allowance	18,844	19,347	15,740	13,639
Residential Mortgages [Member] \| Revolving Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated for Impairment - Loans	743
Collectively Evaluated for Impairment - Loans	66,967	83,625
Total Loans	67,710	83,625
Collectively Evaluated for Impairment - Allowance for Loan Losses	410	689
Ending balance, allowance	410	689	1,401	1,016
Consumer And Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated for Impairment - Loans	324
Collectively Evaluated for Impairment - Loans	5,634	5,533
Total Loans	5,958	5,533
Collectively Evaluated for Impairment - Allowance for Loan Losses	49	74
Ending balance, allowance	$ 49	$ 74	$ 134	$ 94

A valuation allowance for financing receivables that are expected to be uncollectible.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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