Common Stock	12 Months Ended
Dec. 31, 2020
Equity [Abstract]
Common Stock	Note 2 Common Stock Common Stock The authorized common stock of the Company as of December 31, 2020 consisted of 40,000,000 shares of common stock, $1 par value, of which 37,221,098 and 37,200,698 were issued and outstanding as of December 31, 2020 and 2019, respectively. Stock Options There were no anti-dilutive options in 2020. Stock options to purchase 54,139 shares in 2019 and 21,887 shares in 2018 were not included in the computation of dilutive securities because their inclusion would have been anti-dilutive.

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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