The percentage reserved for accounts receivable from customers in deteriorating financial condition or bankruptcy.

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- Definition

Number of voting rights per share of common stock.

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- Definition

Number of banks where demand deposit or money market accounts are held by the company.

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- Definition

The high end of the range of the required percentage voting interest to be held by the reporting entity to use the equity method of accounting to report investments, corporate joint ventures, partnerships and affiliated companies in its consolidated financial statements. If the reporting entity can exercise control over the operations and policies, accounting rules require consolidation of the investee's financial statements.

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- Definition

The minimum number of series the board is authorized to issue any authorized and unissued preferred stock as determined by the board.

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- Definition

Represents the amount of investment made by the entity in United States Treasury securities and money market funds.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Operations and Summary of Significant Accounting Policies - PP&E and Other Misc Disclosures (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) vote / shares series bank	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
High end of the range of the required percentage voting interest held to account for investments with the equity method of accounting	50.00%
Allowance for Doubtful Accounts
Percentage reserved for accounts receivable due from customers in deteriorating financial condition	100.00%
Number of banks where demand deposit or money market accounts are held by the company \| bank	18
Fair Value of Financial Instruments
United States Treasury securities and money market funds included in cash equivalents	$ 100	$ 200
Contingent Consideration for acquisition	$ 0	$ 0	$ 1,314
Depreciation and Amortization
Number of series by which the Board may issue authorized and unissued preferred stock, minimum \| series	1
Voting rights per common share \| vote / shares	1
Weighted-average amortization period	5 years 7 months 6 days
Minimum \| Buildings and site improvements
Depreciation and Amortization
Estimated useful life	15 years
Maximum \| Buildings and site improvements
Depreciation and Amortization
Estimated useful life	45 years