Note 13 - Subsequent Event	3 Months Ended
Mar. 31, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	*13.* Subsequent Event During April 2020 we repurchased 404,913 shares of our common stock at an average purchase price of $10.57 per share under the 2019 IRP, for a total cost of approximately $4 million, after which the 2019 IRP terminated. In November 2019, our Board of Directors authorized the 2019 Repurchase Authorization. Currently, approximately $119 million remains available under the 2019 Repurchase Authorization to repurchase shares of our common stock and/or Class A common stock.

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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