Subsequent Events (Details) - USD ($) $ in Thousands	Mar. 01, 2022	Apr. 04, 2019
Maximum [Member]
Subsequent Event [Line Items]
Aggregate Offering Price Of Securities		$ 300,000
Subsequent Event [Member] | Shelf Registration Statement [Member] | Maximum [Member]
Subsequent Event [Line Items]
Aggregate Offering Price Of Securities	$ 300,000
Subsequent Event [Member] | Unsold Securities Under Shelf Registration Statement dated April 4, 2019 [Member]
Subsequent Event [Line Items]
Aggregate Offering Price Of Securities	154,525
Subsequent Event [Member] | Jeffries LLC [Member] | Open Market Sales Agreement [Member]
Subsequent Event [Line Items]
Aggregate Offering Price Of Securities	$ 80,000
Stock Sale Commission Percentage	3.00%