Fair Value Measurements and Fair Value of Financial Instruments (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) (USD $) | Mar. 31, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | $287,471 | $323,070 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 20,160 | 19,530 |
Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 267,311 | 303,540 |
Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
U.S. treasury notes [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 13,896 | 13,519 |
U.S. treasury notes [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 13,896 | 13,519 |
U.S. treasury notes [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
U.S. treasury notes [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Federal agency obligations [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 23,090 | 19,941 |
Federal agency obligations [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Federal agency obligations [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 23,090 | 19,941 |
Federal agency obligations [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Residential mortgage-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 47,188 | 48,874 |
Residential mortgage-backed securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Residential mortgage-backed securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 47,188 | 48,874 |
Residential mortgage-backed securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Commercial mortgage-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 2,963 | 6,991 |
Commercial mortgage-backed securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Commercial mortgage-backed securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 2,963 | 6,991 |
Commercial mortgage-backed securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Obligations of U.S. states and political subdivisions [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 14,939 | 31,460 |
Obligations of U.S. states and political subdivisions [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Obligations of U.S. states and political subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 14,939 | 31,460 |
Obligations of U.S. states and political subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Trust preferred securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 19,797 | 19,403 |
Trust preferred securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Trust preferred securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 19,797 | 19,403 |
Trust preferred securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Corporate bonds and notes [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 141,651 | 158,630 |
Corporate bonds and notes [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Corporate bonds and notes [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 141,651 | 158,630 |
Corporate bonds and notes [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Asset-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 15,554 | 15,979 |
Asset-backed securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Asset-backed securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 15,554 | 15,979 |
Asset-backed securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Certificates of Deposit [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 2,129 | 2,262 |
Certificates of Deposit [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Certificates of Deposit [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 2,129 | 2,262 |
Certificates of Deposit [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Equity securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 292 | 287 |
Equity securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 292 | 287 |
Equity securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Equity securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Mutual funds and money market funds [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 5,972 | 5,724 |
Mutual funds and money market funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 5,972 | 5,724 |
Mutual funds and money market funds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | 0 | 0 |
Mutual funds and money market funds [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Investment securities: Available-for-sale, Fair Value | $0 | $0 |