|
Summary of Significant Accounting Policies Summary of Significant Accounting Policies 4 (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
trust_accounts
|
Dec. 31, 2011
trust_accounts
|
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Number of Trust Accounts managed or administered | 1,486 | 1,407 |
| Value of Trust Accounts | $ 633,800 | $ 546,658 |