Loans and Allowances for Credit Losses, Troubled Debt Restructurings, Modifications (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	$ 18,032	$ 7,448	$ 40,478	$ 35,371
Troubled Debt Restructurings, Recorded Balance With Payment Default	31,453	30,295	32,720	40,278
Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	16,065	4,863	27,510	19,406
Troubled Debt Restructurings, Recorded Balance With Payment Default	23,376	22,359	24,126	26,636
Accruing [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,439	1,971	8,288	9,817
Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	12,626	2,892	19,222	9,589
Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,967	2,585	12,968	15,965
Troubled Debt Restructurings, Recorded Balance With Payment Default	8,077	7,936	8,594	13,642
Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	610	0	836
Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	196	1,122	6,940	11,012
Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,771	853	6,028	4,117
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	1,234	6,422	2,502
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,000	1,879	3,000	2,512
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	0	1,234	6,422	2,502
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,000	1,879	3,000	2,512
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	610	0	755
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	0	624	6,400	1,747
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	22	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	838	0	1,961
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	1,338	0	1,948
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	838	0	1,961
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	1,338	0	1,948
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	610	0	610
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	228	0	1,351
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	0	0	3,400	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	0	0	3,400	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	0	0	3,400	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	396	3,000	396
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,000	396	3,000	396
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	396	3,000	396
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,000	396	3,000	396
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	396	3,000	396
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	22	145
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	145	0	168
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	22	145
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	145	0	168
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	145
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	22	0
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	498	0	9,133
Troubled Debt Restructurings, Recorded Balance With Payment Default	445	4,540	445	9,390
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	0	498	0	9,133
Troubled Debt Restructurings, Recorded Balance With Payment Default	445	4,540	445	9,390
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	498	0	9,133
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 construction and land development [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	257	0	257
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	0	0	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	257	0	257
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	0	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	0	0	0	0
Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	498	0	1,110
Troubled Debt Restructurings, Recorded Balance With Payment Default	445	1,110	445	1,110
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	498	0	1,110
Troubled Debt Restructurings, Recorded Balance With Payment Default	445	1,110	445	1,110
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	498	0	1,110
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	0	0	3,173
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	3,173	0	3,173
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	0	0	3,173
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	3,173	0	3,173
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	0	0	3,173
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	0	0	980
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	980
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	0	0	980
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	980
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	0	0	980
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	0	0	3,870
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	3,870
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	0	0	3,870
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0	0	3,870
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	0	0	3,870
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	18,012	5,600	34,015	22,892
Troubled Debt Restructurings, Recorded Balance With Payment Default	28,008	23,742	29,272	28,207
Residential Mortgage [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	16,065	4,863	27,510	19,406
Troubled Debt Restructurings, Recorded Balance With Payment Default	23,376	22,359	24,126	26,636
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	3,439	1,971	8,288	9,817
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	12,626	2,892	19,222	9,589
Residential Mortgage [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,947	737	6,505	3,486
Troubled Debt Restructurings, Recorded Balance With Payment Default	4,632	1,383	5,146	1,571
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	196	0	540	132
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	1,751	737	5,965	3,354
Permanent mortage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,214	222	3,606	996
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,758	820	3,254	941
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	1,214	222	3,606	996
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,758	820	3,254	941
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	196	0	540	132
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	1,018	222	3,066	864
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	16,228	4,863	28,638	19,406
Troubled Debt Restructurings, Recorded Balance With Payment Default	24,491	22,359	25,241	26,636
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	16,065	4,863	27,510	19,406
Troubled Debt Restructurings, Recorded Balance With Payment Default	23,376	22,359	24,126	26,636
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	3,439	1,971	8,288	9,817
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	12,626	2,892	19,222	9,589
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	163	0	1,128	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,115	0	1,115	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	163	0	1,128	0
Home equity {Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	570	515	1,771	2,490
Troubled Debt Restructurings, Recorded Balance With Payment Default	759	563	777	630
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	570	515	1,771	2,490
Troubled Debt Restructurings, Recorded Balance With Payment Default	759	563	777	630
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	570	515	1,771	2,490
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	20	116	41	844
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	134	3	169
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	20	116	41	844
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	134	3	169
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	81
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	$ 20	$ 116	$ 41	$ 763