CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) $ in Thousands	Dec. 31, 2019 USD ($) shares	Dec. 31, 2019 ₪ / shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2018 ₪ / shares
Statement of Financial Position [Abstract]
Trade receivables, allowance for doubtful accounts \| $	$ 2,119		$ 2,751
Ordinary shares, par value per share \| ₪ / shares		₪ 1		₪ 1
Ordinary shares, shares authorized	39,748,000		39,748,000
Ordinary shares, shares issued	23,153,985		23,049,639
Ordinary shares, shares outstanding	23,153,985		23,049,639

Amount of allowance for credit loss on accounts receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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