Borrowings - Capped Calls (Details) $ in Thousands		12 Months Ended
	Sep. 18, 2019 USD ($) $ / item	Dec. 31, 2019 USD ($)
Derivative [Line Items]
Premium paid for the purchase of the capped calls | $		$ 6,150
Capped Call [Member]
Derivative [Line Items]
Cap price (in dollars per unit) | $ / item	15.86
Premium above the last reported sales price (as a percent)	75.00%
Sales price (in dollars per unit) | $ / item	9.06
Premium paid for the purchase of the capped calls | $	$ 6,200