Loans Receivable and Credit Quality Impaired Loans With and Without Related Allowance (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 40,666	[1]	$ 47,414	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	55,388		74,559
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	43,508		51,255
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	1,845		695
Impaired Financing Receivable, with Related Allowance, Recorded Investment	23,401	[1]	34,110	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	24,199		35,756
Impaired Financing Receivable, Related Allowance	1,978		3,377
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	36,155		39,746
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	1,357		1,107
Impaired Financing Receivable, Recorded Investment	64,067	[1]	81,524	[1]
Impaired Financing Receivable, Unpaid Principal Balance	79,587		110,315
Impaired Financing Receivable, Average Recorded Investment	79,663		91,001
Impaired Financing Receivable, Interest Income, Cash Basis Method	3,202		1,802
Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,084	[1]	3,274	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,222		4,499
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	3,908		4,707
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	332		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,353	[1]	1,149	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,453		1,191
Impaired Financing Receivable, Related Allowance	100		118
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	2,228		1,855
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	63		1
Impaired Financing Receivable, Recorded Investment	3,437	[1]	4,423	[1]
Impaired Financing Receivable, Unpaid Principal Balance	4,675		5,690
Impaired Financing Receivable, Average Recorded Investment	6,136		6,562
Impaired Financing Receivable, Interest Income, Cash Basis Method	395		1
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	31,917	[1]	40,133	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	42,493		64,424
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	33,861		31,736
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	1,265		283
Impaired Financing Receivable, with Related Allowance, Recorded Investment	8,692	[1]	18,519	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	9,166		19,814
Impaired Financing Receivable, Related Allowance	730		1,667
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	17,904		24,510
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	810		727
Impaired Financing Receivable, Recorded Investment	40,609	[1]	58,652	[1]
Impaired Financing Receivable, Unpaid Principal Balance	51,659		84,238
Impaired Financing Receivable, Average Recorded Investment	51,765		56,246
Impaired Financing Receivable, Interest Income, Cash Basis Method	2,075		1,010
Construction Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,072	[1]	1,310	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,798		2,682
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,472		5,532
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	109		97
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,758	[1]	903	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,982		953
Impaired Financing Receivable, Related Allowance	236		189
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	3,415		1,486
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0		0
Impaired Financing Receivable, Recorded Investment	3,830	[1]	2,213	[1]
Impaired Financing Receivable, Unpaid Principal Balance	4,780		3,635
Impaired Financing Receivable, Average Recorded Investment	4,887		7,018
Impaired Financing Receivable, Interest Income, Cash Basis Method	109		97
Residential Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,536	[1]	2,337	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	7,818		2,594
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	4,139		8,885
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	134		312
Impaired Financing Receivable, with Related Allowance, Recorded Investment	10,598	[1]	13,539	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	10,598		13,798
Impaired Financing Receivable, Related Allowance	912		1,403
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	12,608		11,781
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	484		374
Impaired Financing Receivable, Recorded Investment	16,134	[1]	15,876	[1]
Impaired Financing Receivable, Unpaid Principal Balance	18,416		16,392
Impaired Financing Receivable, Average Recorded Investment	16,747		20,666
Impaired Financing Receivable, Interest Income, Cash Basis Method	618		686
Home Equity Line of Credit [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	50	[1]	360	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	50		360
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	126		355
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	5		3
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0		114
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0		5
Impaired Financing Receivable, Recorded Investment	50	[1]	360	[1]
Impaired Financing Receivable, Unpaid Principal Balance	50		360
Impaired Financing Receivable, Average Recorded Investment	126		469
Impaired Financing Receivable, Interest Income, Cash Basis Method	5		8
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	7	[1]	0	[1]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	7		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2		40
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0		0
Impaired Financing Receivable, Recorded Investment	7	[1]	0	[1]
Impaired Financing Receivable, Unpaid Principal Balance	7		0
Impaired Financing Receivable, Average Recorded Investment	2		40
Impaired Financing Receivable, Interest Income, Cash Basis Method	$ 0		$ 0

[1] Recorded investment represents the client loan balance net of historical charge-offs and historical nonaccrual interest paid, which was applied to principal.