Fair Value Measurements - Fair Value Measurement on Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified
|
Jun. 30, 2014
|
Dec. 31, 2013
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
$ 652,477 |
$ 163,134 |
Recurring
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Total |
652,477 |
163,134 |
Recurring | U.S. Treasury and U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
14,228 |
6,039 |
Recurring | Municipal securities
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
145,202 |
49,060 |
Recurring | U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
488,068 |
108,035 |
Recurring | Corporate Debt Securities [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
3,003 |
|
Recurring | Equity Funds [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
1,976 |
|
Recurring | Level 1
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Total |
1,976 |
0 |
Recurring | Level 1 | U.S. Treasury and U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
0 |
Recurring | Level 1 | Municipal securities
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
0 |
Recurring | Level 1 | U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
0 |
Recurring | Level 1 | Corporate Debt Securities [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
|
Recurring | Level 1 | Equity Funds [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
1,976 |
|
Recurring | Level 2
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Total |
650,501 |
163,134 |
Recurring | Level 2 | U.S. Treasury and U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
14,228 |
6,039 |
Recurring | Level 2 | Municipal securities
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
145,202 |
49,060 |
Recurring | Level 2 | U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
488,068 |
108,035 |
Recurring | Level 2 | Corporate Debt Securities [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
3,003 |
|
Recurring | Level 2 | Equity Funds [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
|
Recurring | Level 3
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Total |
0 |
0 |
Recurring | Level 3 | U.S. Treasury and U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
0 |
Recurring | Level 3 | Municipal securities
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
0 |
Recurring | Level 3 | U.S. Government-sponsored agencies
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
0 |
Recurring | Level 3 | Corporate Debt Securities [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
0 |
|
Recurring | Level 3 | Equity Funds [Member]
|
|
|
Fair value measurements of assets on a recurring basis |
|
|
Investment securities available for sale |
$ 0 |
|