|
Condensed Financial Statements of Parent Company - Balance Sheets Pertaining only to Meridian Interstate Bancorp (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|---|---|---|---|---|
| ASSETS | ||||
| Total cash and cash equivalents | $ 86,271 | $ 93,192 | $ 156,685 | $ 155,493 |
| Securities available for sale, at fair value | 201,137 | 262,785 | ||
| Other assets | 2,469 | 2,173 | ||
| Total assets | 2,682,101 | 2,278,771 | ||
| Liabilities and Stockholders' Equity | ||||
| Stockholders' equity | 249,205 | 233,943 | 219,944 | 215,611 |
| Total liabilities and stockholders' equity | 2,682,101 | 2,278,771 | ||
|
Meridian Interstate Bancorp, Inc/Parent Company [Member]
|
||||
| ASSETS | ||||
| Cash and cash equivalents-other | 63 | |||
| Total cash and cash equivalents | 183 | 781 | 63 | 2,641 |
| Securities available for sale, at fair value | 1,026 | 24,378 | ||
| Other assets | 2,305 | 2,131 | ||
| Total assets | 249,276 | 234,452 | ||
| Liabilities and Stockholders' Equity | ||||
| Accrued expenses and other liabilities | 71 | 509 | ||
| Stockholders' equity | 249,205 | 233,943 | ||
| Total liabilities and stockholders' equity | 249,276 | 234,452 | ||
|
Subsidiaries [Member] | Meridian Interstate Bancorp, Inc/Parent Company [Member]
|
||||
| ASSETS | ||||
| Cash and cash equivalents-subsidiary | 183 | 718 | ||
| Investment in subsidiaries | $ 245,762 | $ 207,162 |