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Income Taxes - Additional Information (Details) - USD ($)	1 Months Ended		3 Months Ended
	Oct. 31, 2016	Sep. 30, 2015	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Taxes [Line Items]
Income Tax Expense (Benefit)			$ 405,000	$ (28,000)
Income Tax Examination, Increase (Decrease) in Liability from Prior Year			100,000
Income Tax Examination, Penalties and Interest Accrued			45,000
Unrecognized Tax Benefits			$ 2,928,000		$ 2,957,000
Subsidiary Revenue		$ 66,000,000
Reversal of Service Tax Refund	$ 160,000
Service Tax Credit Receivable	$ 1,000,000
Maximum [Member]
Income Taxes [Line Items]
Percentage for Subsidiary Service Tax		15.00%
Minimum [Member]
Income Taxes [Line Items]
Percentage for Subsidiary Service Tax		12.36%

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The amount the liability recorded for the income tax examination increased or decreased in the current year/accounting period.

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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