Loans and Allowances for Credit Losses Part 6 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	$ 41,135	$ 30,332
Troubled Debt Restructurings, Recorded Balance With Payment Default	27,894	17,621
Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	17,251	12,334
Accruing [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	17,398	16,024
Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	23,737	14,308
Troubled Debt Restructurings, Recorded Balance With Payment Default	10,643	5,287
Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	8,145	0
Nonaccrual [Member] | Payment Stream Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,502	101
Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	5,090	14,207
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,824	1,372
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,760	473
Commercial Loan [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [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
Commercial Loan [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,824	1,372
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,760	473
Commercial Loan [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,760	0
Commercial Loan [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
Commercial Loan [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	64	1,372
Commercial Loan [Member] | Energy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Energy [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | Energy [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Loan [Member] | Services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	875	868
Troubled Debt Restructurings, Recorded Balance With Payment Default	875	0
Commercial Loan [Member] | Services [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | Services [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	875	868
Troubled Debt Restructurings, Recorded Balance With Payment Default	875	0
Commercial Loan [Member] | 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	875	0
Commercial Loan [Member] | 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	0
Commercial Loan [Member] | 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	868
Commercial Loan [Member] | Wholesale and retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	885	504
Troubled Debt Restructurings, Recorded Balance With Payment Default	885	473
Commercial Loan [Member] | Wholesale and retail [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Wholesale and 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
Commercial Loan [Member] | Wholesale and retail [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	885	504
Troubled Debt Restructurings, Recorded Balance With Payment Default	885	473
Commercial Loan [Member] | Wholesale and 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	885	0
Commercial Loan [Member] | Wholesale and 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
Commercial Loan [Member] | Wholesale and 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	504
Commercial Loan [Member] | Manufacturing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Manufacturing [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | Manufacturing [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Loan [Member] | Healthcare [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	64	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Healthcare [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | Healthcare [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	64	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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	64	0
Commercial Loan [Member] | Integrated food services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Integrated food services [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Integrated food 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
Commercial Loan [Member] | Integrated food services [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Integrated food 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
Commercial Loan [Member] | Integrated food 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	0
Commercial Loan [Member] | Integrated food 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
Commercial Loan [Member] | Other commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | Other commercial and industrial [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Loan [Member] | 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
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	15,450	8,597
Troubled Debt Restructurings, Recorded Balance With Payment Default	5,729	4,268
Commercial Real Estate [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	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
Commercial Real Estate [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	15,450	8,597
Troubled Debt Restructurings, Recorded Balance With Payment Default	5,729	4,268
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	4,948	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	10,502	101
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	8,496
Commercial Real Estate [Member] | Construction and land development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	9,578	6,123
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,000	3,575
Commercial Real Estate [Member] | Construction and land development [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Construction and land development [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	9,578	6,123
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,000	3,575
Commercial Real Estate [Member] | 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	1,219	0
Commercial Real Estate [Member] | 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	8,359	0
Commercial Real Estate [Member] | 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	6,123
Commercial Real Estate [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,379	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,379	0
Commercial Real Estate [Member] | Retail [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Retail [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,379	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,379	0
Commercial Real Estate [Member] | 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	2,379	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Office [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,920	25
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,350	25
Commercial Real Estate [Member] | Office [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Office [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,920	25
Troubled Debt Restructurings, Recorded Balance With Payment Default	1,350	25
Commercial Real Estate [Member] | 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	1,350	0
Commercial Real Estate [Member] | 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	570	0
Commercial Real Estate [Member] | 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	25
Commercial Real Estate [Member] | Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Multifamily [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Multifamily [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Industrial [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Industrial [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Other commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,573	2,449
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	668
Commercial Real Estate [Member] | Other commercial real estate [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | Other commercial real estate [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,573	2,449
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	668
Commercial Real Estate [Member] | 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
Commercial Real Estate [Member] | 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	1,573	101
Commercial Real Estate [Member] | 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	2,348
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	21,130	20,195
Troubled Debt Restructurings, Recorded Balance With Payment Default	19,943	12,861
Residential Mortgage [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	17,251	12,334
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	17,398	16,024
Residential Mortgage [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,732	4,171
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,692	527
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	1,214	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	0	0
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	2,518	4,171
Residential Mortgage [Member] | Permanent mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,732	4,559
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,692	603
Residential Mortgage [Member] | Permanent mortgage [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	457
Residential Mortgage [Member] | Permanent 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	0	534
Residential Mortgage [Member] | Permanent mortgage [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,732	4,025
Troubled Debt Restructurings, Recorded Balance With Payment Default	2,692	146
Residential Mortgage [Member] | Permanent 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	1,214	0
Residential Mortgage [Member] | Permanent 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	0	0
Residential Mortgage [Member] | Permanent 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	2,518	4,025
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	17,398	15,636
Troubled Debt Restructurings, Recorded Balance With Payment Default	17,251	12,258
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	17,251	11,877
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government 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	17,398	15,490
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	146
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	381
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government 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
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government 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
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government 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	0	146
Residential Mortgage [Member] | Home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Residential Mortgage [Member] | Home equity [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Residential Mortgage [Member] | 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
Residential Mortgage [Member] | Home equity [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Residential Mortgage [Member] | 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
Residential Mortgage [Member] | 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
Residential Mortgage [Member] | 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	0	0
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,731	168
Troubled Debt Restructurings, Recorded Balance With Payment Default	462	19
Consumer Loan [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Consumer Loan [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
Consumer Loan [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,731	168
Troubled Debt Restructurings, Recorded Balance With Payment Default	462	19
Consumer Loan [Member] | Nonaccrual [Member] | Interest Rate Modification [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	223	0
Consumer Loan [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
Consumer Loan [Member] | Nonaccrual [Member] | Combination & Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,508	168
Consumer Loan [Member] | Indirect automobile [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Consumer Loan [Member] | Indirect automobile [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Consumer Loan [Member] | Indirect automobile [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
Consumer Loan [Member] | Indirect automobile [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Consumer Loan [Member] | Indirect automobile [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
Consumer Loan [Member] | Indirect automobile [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
Consumer Loan [Member] | Indirect automobile [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
Consumer Loan [Member] | Other consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,731	168
Troubled Debt Restructurings, Recorded Balance With Payment Default	462	19
Consumer Loan [Member] | Other consumer [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Consumer Loan [Member] | Other 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
Consumer Loan [Member] | Other consumer [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,731	168
Troubled Debt Restructurings, Recorded Balance With Payment Default	462	19
Consumer Loan [Member] | Other 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	223	0
Consumer Loan [Member] | Other 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
Consumer Loan [Member] | Other 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	$ 2,508	$ 168