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Loans (Average Recorded Investment and Interest Recognized on Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	$ 31,673	$ 36,273	$ 32,536	$ 36,958
Impaired Financing Receivable, Interest Income, Cash Basis Method	487	326	695	617
Commercial real estate
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	27,023	30,952	27,755	31,365
Impaired Financing Receivable, Interest Income, Cash Basis Method	400	282	571	524
Commercial real estate | Less Than 35% LTV | Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	0	0	1,135
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0		0	0
Commercial real estate | Equal to or Greater than 35% LTV | Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,452	3,370	2,738	8,809
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	24	38	48	75
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	839	0	559	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	23	0	45	0
Commercial real estate | Equal to or Greater than 35% LTV | Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	273	0	182	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	156	0	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	306	0	967
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0	0	0	0
Commercial real estate | Equal to or Greater than 35% LTV | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	11,766	12,285	12,137	8,190
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	111	264	238
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	11,693	14,991	12,139	12,264
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	197	133	214	211
Construction and land
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	0	0	0	36
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	0	0	0
Construction and land | Equal to or Greater than 35% LTV | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	0	0	36
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	0	0	0
One-to-four family residential mortgage
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	2,225	735	2,125	861
Impaired Financing Receivable, Interest Income, Cash Basis Method	60	10	72	20
One-to-four family residential mortgage | Less Than 60% LTV | Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	193	0	150	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	5	0	9	1
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	221	0	147	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	3	0	5	0
One-to-four family residential mortgage | Less Than 60% LTV | Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	69	141	92	263
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	2	0	3
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	158	327	212	218
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0	2	0	4
One-to-four family residential mortgage | Less Than 60% LTV | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	153	267	189	267
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	1	3	1	7
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	881	0	870	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	3	1	7	2
One-to-four family residential mortgage | Equal to or Greater than 60% LTV | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	78	0	52	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	0	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	472	0	413	113
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	48	2	50	3
Multifamily
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	1,954	2,517	1,966	2,369
Impaired Financing Receivable, Interest Income, Cash Basis Method	23	24	45	48
Multifamily | Equal to or Greater than 35% LTV | Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	82	46	83	31
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	4	4	9	9
Multifamily | Equal to or Greater than 35% LTV | Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	466	1,010	470	871
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	6	6	10	12
Multifamily | Equal to or Greater than 35% LTV | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,406	1,461	1,413	1,467
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	13	14	26	27
Home equity and lines of credit
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	345	837	338	1,004
Impaired Financing Receivable, Interest Income, Cash Basis Method	4	2	6	4
Home equity and lines of credit | Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	137	0	91	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	2	0	4	0
Home equity and lines of credit | Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	15	121	99	151
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	1	0	1	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	138	337	185	338
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0	2	0	4
Home equity and lines of credit | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	95	703	96	753
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	8	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	22	0	14	333
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	1	0	1	0
Commercial and industrial loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	126	1,232	352	1,323
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	8	1	21
Commercial and industrial loans | Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	48	0	48	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	0	1	1
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	0	21	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0	0	0	0
Commercial and industrial loans | Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	500	0	333
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	0	0	18
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	16	408	136	419
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	$ 0	$ 0	$ 0	$ 2

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