Subsequent Event	3 Months Ended
Mar. 31, 2012
Subsequent Event [Abstract]
Subsequent Event	Note 11. Subsequent Event On April 26, 2012, we announced a second quarter cash dividend of twelve and one-half cents ($0.125) per share of our common stock. This dividend will be paid on June 18, 2012 to shareholders of record as of the close of business on May 22, 2012. The total cash payment for this dividend will be approximately $0.8 million.

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