Loans and Allowances for Credit Losses Part 6 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	$ 18,381	$ 22,457	$ 27,801	$ 32,099
Troubled Debt Restructurings, Recorded Balance With Payment Default	29,116	41,927	30,568	46,872
Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,954	8,896	16,073	17,643
Troubled Debt Restructurings, Recorded Balance With Payment Default	20,492	22,784	20,912	26,767
Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,260	3,087	5,773	8,694
Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	6,694	5,809	10,300	8,949
Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	7,427	13,561	11,728	14,456
Troubled Debt Restructurings, Recorded Balance With Payment Default	8,624	19,143	9,656	20,105
Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	234
Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,760	9,854	7,312	9,914
Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,667	3,707	4,416	4,308
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,542	1,140	6,568	1,320
Troubled Debt Restructurings, Recorded Balance With Payment Default	4,020	2,007	4,389	2,040
Commercial [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Commercial [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Commercial [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Commercial [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,542	1,140	6,568	1,320
Troubled Debt Restructurings, Recorded Balance With Payment Default	4,020	2,007	4,389	2,040
Commercial [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	147
Commercial [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,542	1,140	6,542	1,173
Commercial [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	26	0
Energy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Energy [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Energy [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Energy [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Energy [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Energy [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Energy [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Energy [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	1,140	0	1,173
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,020	2,007	1,020	2,007
Services [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Services [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Services [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Services [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	1,140	0	1,173
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,020	2,007	1,020	2,007
Services [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Services [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	1,140	0	1,173
Services [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Wholesale/retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,542	0	3,542	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Wholesale/retail [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Wholesale/retail [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Wholesale/retail [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Wholesale/retail [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,542	0	3,542	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Wholesale/retail [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Wholesale/retail [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,542	0	3,542	0
Wholesale/retail [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Manufacturing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	3,000	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,000	0	3,369	0
Manufacturing [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Manufacturing [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Manufacturing [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Manufacturing [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	3,000	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,000	0	3,369	0
Manufacturing [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Manufacturing [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	3,000	0
Manufacturing [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Healthcare [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Healthcare [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Healthcare [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Healthcare [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Healthcare [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Healthcare [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Healthcare [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Healthcare [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	26	147
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	33
Other commercial and industrial [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Other commercial and industrial [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial and industrial [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial and industrial [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	26	147
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	33
Other commercial and industrial [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	147
Other commercial and industrial [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial and industrial [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	26	0
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	307	8,714	729	8,714
Troubled Debt Restructurings, Recorded Balance With Payment Default	881	14,862	1,080	15,603
Commercial Real Estate [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Commercial Real Estate [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Commercial Real Estate [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Commercial Real Estate [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	307	8,714	729	8,714
Troubled Debt Restructurings, Recorded Balance With Payment Default	881	14,862	1,080	15,603
Commercial Real Estate [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Commercial Real Estate [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	8,714	422	8,714
Commercial Real Estate [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	307	0	307	0
Residential construction and land development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	307	0	729	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	422	6,889	422	6,889
Residential construction and land development [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Residential construction and land development [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Residential construction and land development [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Residential construction and land development [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	307	0	729	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	422	6,889	422	6,889
Residential construction and land development [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Residential construction and land development [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	422	0
Residential construction and land development [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	307	0	307	0
Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	612	0	612
Troubled Debt Restructurings, Recorded Balance With Payment Default	459	612	459	612
Retail [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Retail [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Retail [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Retail [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	612	0	612
Troubled Debt Restructurings, Recorded Balance With Payment Default	459	612	459	612
Retail [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Retail [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	612	0	612
Retail [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Office [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,181	0	3,181
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	3,181	199	3,181
Office [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Office [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Office [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Office [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,181	0	3,181
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	3,181	199	3,181
Office [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Office [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,181	0	3,181
Office [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	990	0	990
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	782	0	990
Multifamily [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Multifamily [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Multifamily [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Multifamily [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	990	0	990
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	782	0	990
Multifamily [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Multifamily [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	990	0	990
Multifamily [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Industrial [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Industrial [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Industrial [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Industrial [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Industrial [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Industrial [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Industrial [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,931	0	3,931
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	3,398	0	3,931
Other commercial real estate [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Other commercial real estate [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial real estate [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial real estate [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,931	0	3,931
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	3,398	0	3,931
Other commercial real estate [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Other commercial real estate [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,931	0	3,931
Other commercial real estate [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	14,499	11,826	20,458	21,155
Troubled Debt Restructurings, Recorded Balance With Payment Default	24,201	24,973	25,085	29,107
Residential Mortgage [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,954	8,896	16,073	17,643
Troubled Debt Restructurings, Recorded Balance With Payment Default	20,492	22,784	20,912	26,767
Residential Mortgage [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,260	3,087	5,773	8,694
Residential Mortgage [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	6,694	5,809	10,300	8,949
Residential Mortgage [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,545	2,930	4,385	3,512
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,709	2,189	4,173	2,340
Residential Mortgage [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Residential Mortgage [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	218	0	348	27
Residential Mortgage [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,327	2,930	4,037	3,485
Permanent mortage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,039	1,132	2,410	1,404
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,324	1,949	2,769	1,969
Permanent mortage [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Permanent mortage [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Permanent mortage [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Permanent mortage [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,039	1,132	2,410	1,404
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,324	1,949	2,769	1,969
Permanent mortage [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Permanent mortage [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	218	0	348	27
Permanent mortage [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,821	1,132	2,062	1,377
Permanent mortgages guaranteed by US govenment agencies [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	11,184	8,896	16,484	17,643
Troubled Debt Restructurings, Recorded Balance With Payment Default	20,875	22,784	21,295	26,767
Permanent mortgages guaranteed by US govenment agencies [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,954	8,896	16,073	17,643
Troubled Debt Restructurings, Recorded Balance With Payment Default	20,492	22,784	20,912	26,767
Permanent mortgages guaranteed by US govenment agencies [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,260	3,087	5,773	8,694
Permanent mortgages guaranteed by US govenment agencies [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	6,694	5,809	10,300	8,949
Permanent mortgages guaranteed by US govenment agencies [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	230	0	411	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	383	0	383	0
Permanent mortgages guaranteed by US govenment agencies [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Permanent mortgages guaranteed by US govenment agencies [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Permanent mortgages guaranteed by US govenment agencies [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	230	0	411	0
Home equity {Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,276	1,798	1,564	2,108
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,002	240	1,021	371
Home equity {Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Home equity {Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Home equity {Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Home equity {Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,276	1,798	1,564	2,108
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,002	240	1,021	371
Home equity {Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Home equity {Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Home equity {Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,276	1,798	1,564	2,108
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	33	777	46	910
Troubled Debt Restructurings, Recorded Balance With Payment Default	14	85	14	122
Consumer [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	0
Consumer [Member] | Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Consumer [Member] | Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Consumer [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	33	777	46	910
Troubled Debt Restructurings, Recorded Balance With Payment Default	14	85	14	122
Consumer [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	87
Consumer [Member] | Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0	0	0
Consumer [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	$ 33	$ 777	$ 46	$ 823