Loans and Allowances for Credit Losses, Troubled Debt Restructurings, Modifications (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	$ 48,420	$ 44,210
Troubled Debt Restructurings, Recorded Balance With Payment Default	34,262	34,607
Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	28,101	32,679
Troubled Debt Restructurings, Recorded Balance With Payment Default	27,223	29,585
Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	17,717	15,386
Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,384	17,293
Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	20,319	11,531
Troubled Debt Restructurings, Recorded Balance With Payment Default	7,039	5,022
Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,778	4,243
Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	14,811	7,288
Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	730	0
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,611	3,738
Troubled Debt Restructurings, Recorded Balance With Payment Default	38	13
Commercial [Member] | Accruing [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 [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,611	3,738
Troubled Debt Restructurings, Recorded Balance With Payment Default	38	13
Commercial [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,657
Commercial [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	9,938	81
Commercial [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	673	0
Commercial [Member] | Energy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,304	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Energy [Member] | Accruing [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 [Member] | Energy [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Energy [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Energy [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,304	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Energy [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Energy [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,304	0
Commercial [Member] | Energy [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	7,577	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Services [Member] | Accruing [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 [Member] | Services [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Services [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Services [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	7,577	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Services [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Services [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	7,577	0
Commercial [Member] | Services [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Healthcare [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	673	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Healthcare [Member] | Accruing [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 [Member] | Healthcare [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Healthcare [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Healthcare [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	673	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Healthcare [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Healthcare [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Healthcare [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	673	0
Commercial [Member] | Wholesale/retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,261
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Wholesale/retail [Member] | Accruing [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 [Member] | Wholesale/retail [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Wholesale/retail [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Wholesale/retail [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,261
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Wholesale/retail [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	3,261
Commercial [Member] | Wholesale/retail [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Wholesale/retail [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [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 [Member] | Manufacturing [Member] | Accruing [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 [Member] | Manufacturing [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Manufacturing [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [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 [Member] | Manufacturing [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Manufacturing [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Manufacturing [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Other commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	57	477
Troubled Debt Restructurings, Recorded Balance With Payment Default	38	13
Commercial [Member] | 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
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial [Member] | Other commercial and industrial [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [Member] | Other commercial and industrial [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial [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	57	477
Troubled Debt Restructurings, Recorded Balance With Payment Default	38	13
Commercial [Member] | Other commercial and industrial [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	396
Commercial [Member] | Other commercial and industrial [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	57	81
Commercial [Member] | Other commercial and industrial [Member] | Nonaccrual [Member] | Interest Rate [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	329	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	329	0
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
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial Real Estate [Member] | Accruing [Member] | Combination & Other [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	329	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	329	0
Commercial Real Estate [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	329	0
Commercial Real Estate [Member] | Nonaccrual [Member] | Combination & Other [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] | Interest Rate [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]
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] | Retail [Member] | Accruing [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] | Retail [Member] | Accruing [Member] | Payment Stream [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] | Accruing [Member] | Combination & Other [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	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Retail [Member] | Nonaccrual [Member] | Payment Stream [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 [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] | Interest Rate [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	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Office [Member] | Accruing [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] | Office [Member] | Accruing [Member] | Payment Stream [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] | Accruing [Member] | Combination & Other [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	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
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 Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0
Commercial Real Estate [Member] | Multifamily [Member] | Accruing [Member] | Payment Stream [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] | Accruing [Member] | Combination & Other [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
Commercial Real Estate [Member] | Multifamily [Member] | Nonaccrual [Member] | Payment Stream [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 [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] | Interest Rate [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 Modified During The Period	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Industrial [Member] | Accruing [Member] | Payment Stream [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] | Accruing [Member] | Combination & Other [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] | Payment Stream [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 [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] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial Real Estate [Member] | Residential construction and land development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	329	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	329	0
Commercial Real Estate [Member] | 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
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Residential construction and land development [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial Real Estate [Member] | Residential construction and land development [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial Real Estate [Member] | 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	329	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	329	0
Commercial Real Estate [Member] | Residential construction and land development [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	329	0
Commercial Real Estate [Member] | Residential construction and land development [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Commercial Real Estate [Member] | Residential construction and land development [Member] | Nonaccrual [Member] | Interest Rate [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	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | 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
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Other commercial real estate [Member] | Accruing [Member] | Payment Stream [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] | Accruing [Member] | Combination & Other [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	0	0
Troubled Debt Restructurings, Recorded Balance With Payment Default	0	0
Commercial Real Estate [Member] | Other commercial real estate [Member] | Nonaccrual [Member] | Payment Stream [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] | Combination & Other [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] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	37,365	40,396
Troubled Debt Restructurings, Recorded Balance With Payment Default	33,882	34,569
Residential Mortgage [Member] | Accruing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	28,101	32,679
Troubled Debt Restructurings, Recorded Balance With Payment Default	27,223	29,585
Residential Mortgage [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	17,717	15,386
Residential Mortgage [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,384	17,293
Residential Mortgage [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	9,264	7,717
Troubled Debt Restructurings, Recorded Balance With Payment Default	6,659	4,984
Residential Mortgage [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,449	586
Residential Mortgage [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,758	7,131
Residential Mortgage [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	57	0
Residential Mortgage [Member] | Permanent mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,055	4,124
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,034	2,836
Residential Mortgage [Member] | Permanent mortgage [Member] | Accruing [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] | Permanent mortgage [Member] | Accruing [Member] | Payment Stream [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] | Accruing [Member] | Combination & Other [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]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	4,055	4,124
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,034	2,836
Residential Mortgage [Member] | Permanent mortgage [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	3,004	586
Residential Mortgage [Member] | Permanent mortgage [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,051	3,538
Residential Mortgage [Member] | Permanent mortgage [Member] | Nonaccrual [Member] | Interest Rate [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]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	31,202	33,738
Troubled Debt Restructurings, Recorded Balance With Payment Default	30,324	30,632
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 Modified During The Period	28,101	32,679
Troubled Debt Restructurings, Recorded Balance With Payment Default	27,223	29,585
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	17,717	15,386
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	10,384	17,293
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	3,101	1,059
Troubled Debt Restructurings, Recorded Balance With Payment Default	3,101	1,047
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,264	0
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,837	1,059
Residential Mortgage [Member] | Permanent mortgages guaranteed by U.S. government agencies [Member] | Nonaccrual [Member] | Interest Rate [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]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	2,108	2,534
Troubled Debt Restructurings, Recorded Balance With Payment Default	524	1,101
Residential Mortgage [Member] | Home equity [Member] | Accruing [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] | Payment Stream [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] | Accruing [Member] | Combination & Other [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	2,108	2,534
Troubled Debt Restructurings, Recorded Balance With Payment Default	524	1,101
Residential Mortgage [Member] | Home equity [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	181	0
Residential Mortgage [Member] | Home equity [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	1,870	2,534
Residential Mortgage [Member] | Home equity [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	57	0
Personal [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	115	76
Troubled Debt Restructurings, Recorded Balance With Payment Default	13	25
Personal [Member] | Accruing [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
Personal [Member] | Accruing [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Personal [Member] | Accruing [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Personal [Member] | Nonaccrual [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	115	76
Troubled Debt Restructurings, Recorded Balance With Payment Default	13	25
Personal [Member] | Nonaccrual [Member] | Payment Stream [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	0	0
Personal [Member] | Nonaccrual [Member] | Combination & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	115	76
Personal [Member] | Nonaccrual [Member] | Interest Rate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Recorded Balance Modified During The Period	$ 0	$ 0