Equity method investments additional investment.

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Future revenue including variable consideration, contractual terms ending year.

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Short term investment contractual maturity.

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- Definition

Summary of significant accounting policies.

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No definition available.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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- Definition

The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Year in which remaining performance obligation is expected to be recognized, in CCYY format.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Summary Of Significant Accounting Policies [Line Items]
Aggregate amount of transaction price allocated to remaining performance obligations	$ 1,000,000		$ 1,000,000
Remaining performance obligations expected to be recognized, year	2028		2028
Deferred revenue recognized	$ 6,100	$ 5,700	$ 33,400	$ 35,500
Restricted cash	1,600		1,600		$ 2,700
Proceeds from sale/maturity of short-term investments			37,743	$ 38,029
Short-term investments	37,605		37,605		$ 26,109
Equity method investments, additional investment			1,500
Equity method investment, carrying value	$ 8,000		$ 8,000
Payment Technology and Services Company
Summary Of Significant Accounting Policies [Line Items]
Equity method investment, noncontrolling interest	15.00%		15.00%
Minimum
Summary Of Significant Accounting Policies [Line Items]
Future revenue including variable consideration, contractual terms ending, year			2020
Maximum
Summary Of Significant Accounting Policies [Line Items]
Short-term investment contractual maturities			2 years		2 years