Assets Measured at Fair Value on Recurring and Nonrecurring Basis (Detail) (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] | ' | ' |
Securities available for sale | $108,593 | $108,762 |
Agency mortgage-backed securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 21,817 | 18,369 |
Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 19,087 | 20,241 |
Agency notes and bonds | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 29,502 | 30,914 |
Municipal obligations | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 36,046 | 36,040 |
Mutual fund investment | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 2,141 | 3,198 |
Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 108,593 | 108,762 |
Fair Value, Measurements, Recurring | Agency mortgage-backed securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 21,817 | 18,369 |
Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 19,087 | 20,241 |
Fair Value, Measurements, Recurring | Agency notes and bonds | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 29,502 | 30,914 |
Fair Value, Measurements, Recurring | Municipal obligations | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 36,046 | 36,040 |
Fair Value, Measurements, Recurring | Mutual fund investment | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 2,141 | 3,198 |
Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 5,127 | 5,391 |
Loans held for sale | 511 | 1,611 |
Foreclosed real estate | 249 | 466 |
Fair Value, Measurements, Nonrecurring | Residential | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 1,568 | 1,928 |
Foreclosed real estate | 249 | 466 |
Fair Value, Measurements, Nonrecurring | Land | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 118 | 120 |
Fair Value, Measurements, Nonrecurring | Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Fair Value, Measurements, Nonrecurring | Commercial Real Estate | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 2,596 | 2,441 |
Fair Value, Measurements, Nonrecurring | Real Estate Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 639 | 639 |
Fair Value, Measurements, Nonrecurring | Home Equity and Second Mortgage | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 206 | 263 |
Level 1 | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 2,141 | 3,198 |
Loans held for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 2,141 | 3,198 |
Level 1 | Fair Value, Measurements, Recurring | Agency mortgage-backed securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Agency notes and bonds | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Municipal obligations | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Mutual fund investment | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 2,141 | 3,198 |
Level 1 | Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Loans held for sale | 0 | 0 |
Foreclosed real estate | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Residential | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Foreclosed real estate | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Land | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Commercial Real Estate | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Real Estate Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Home Equity and Second Mortgage | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 2 | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 106,452 | 105,564 |
Loans held for sale | 520 | 1,644 |
Level 2 | Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 106,452 | 105,564 |
Level 2 | Fair Value, Measurements, Recurring | Agency mortgage-backed securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 21,817 | 18,369 |
Level 2 | Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 19,087 | 20,241 |
Level 2 | Fair Value, Measurements, Recurring | Agency notes and bonds | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 29,502 | 30,914 |
Level 2 | Fair Value, Measurements, Recurring | Municipal obligations | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 36,046 | 36,040 |
Level 2 | Fair Value, Measurements, Recurring | Mutual fund investment | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Loans held for sale | 511 | 1,611 |
Foreclosed real estate | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Residential | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Foreclosed real estate | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Land | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Commercial Real Estate | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Real Estate Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Home Equity and Second Mortgage | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 3 | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Loans held for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Agency mortgage-backed securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Agency notes and bonds | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Municipal obligations | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Mutual fund investment | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 5,127 | 5,391 |
Loans held for sale | 0 | 0 |
Foreclosed real estate | 249 | 466 |
Level 3 | Fair Value, Measurements, Nonrecurring | Residential | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 1,568 | 1,928 |
Foreclosed real estate | 249 | 466 |
Level 3 | Fair Value, Measurements, Nonrecurring | Land | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 118 | 120 |
Level 3 | Fair Value, Measurements, Nonrecurring | Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 0 | 0 |
Level 3 | Fair Value, Measurements, Nonrecurring | Commercial Real Estate | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 2,596 | 2,441 |
Level 3 | Fair Value, Measurements, Nonrecurring | Real Estate Construction | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | 639 | 639 |
Level 3 | Fair Value, Measurements, Nonrecurring | Home Equity and Second Mortgage | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Impaired loans | $206 | $263 |