Subsequent Event (Details) - USD ($)	May 06, 2021	Mar. 03, 2021	Feb. 21, 2017
Subsequent Event [Line Items]
Stock repurchased, authorized amount (up to)			$ 100,000,000
Preferred Stock
Subsequent Event [Line Items]
Stock repurchased, authorized amount (up to)		$ 100,000,000
Subsequent Event | Preferred Stock
Subsequent Event [Line Items]
Stock repurchased, authorized amount (up to)	$ 50,000,000