Past Due Loans, Allowance For Credit Losses, Impaired Loans and TDRS (Details) - TDRs By Class - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		$ 2,491	$ 2,743
Non-accrual	[1]	1,690	2,324
Total		4,181	5,067	$ 5,137
Commercial and industrial
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		289	294
Non-accrual	[1]	286	1,050
Total		575	1,344
Office, retail, and industrial
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		159	164
Non-accrual	[1]	0	0
Total		159	164
Multi-family
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		591	598
Non-accrual	[1]	177	186
Total		768	784
Other commercial real estate
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		329	340
Non-accrual	[1]	0	0
Total		329	340
Total commercial real estate
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		1,079	1,102
Non-accrual	[1]	177	186
Total		1,256	1,288
Total corporate loans
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		1,368	1,396
Non-accrual	[1]	463	1,236
Total		1,831	2,632
Home equity
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		286	494
Non-accrual	[1]	826	667
Total		1,112	1,161
1-4 family mortgages
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		837	853
Non-accrual	[1]	401	421
Total		1,238	1,274
Consumer
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		1,123	1,347
Non-accrual	[1]	1,227	1,088
Total		$ 2,350	$ 2,435

[1] These TDRs are included in non-accrual loans in the preceding tables.