Subsequent Events	3 Months Ended
Mar. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events The Company has evaluated events and transactions occurring subsequent to March 31, 2012 through the date of this report. During this period, there were no subsequent events other than the one described below. On April 25, 2012, the Company announced the declaration of its regular quarterly dividend of $0.03 per share on its common stock, payable May 15, 2012 to shareholders of record at the close of business on May 8, 2012.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration