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v3.19.3

Employee Benefit Plan - Narrative (Details) - USD ($) | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
Retirement Benefits [Abstract] |  |
Amortization of amounts previously recognized in accumulated other comprehensive income (loss) | $ 938,000 | $ 982,000
Contribution to pension plan | $ 0 | $ 0

X
- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References No definition available. + Details
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- References No definition available. + Details
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X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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