Recently Adopted Accounting Standards (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Mar. 31, 2020
Recently adopted accounting standards
Reclassification of stranded deferred taxes from AOCI to Retained Earnings resulting from the enactment of Tax Reform		$ 1,583
ASU 2018-02
Recently adopted accounting standards
Reclassification of stranded deferred taxes from AOCI to Retained Earnings resulting from the enactment of Tax Reform	$ (1,600)
ASU 2016-02 | Forecast
Recently adopted accounting standards
Operating lease right-of-use asset, continuing operations			$ 6,800
Operating lease liability, continuing operations			6,800
Operating lease right-of-use asset, discontinued operations			2,600
Operating lease liability, discontinued operations			$ 2,600