Capital Transactions - RSU Activity (Details) - 2012 Stock Incentive Plan - RSUs	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Number of Shares
Restricted Stock Units outstanding, beginning balance (in shares) | shares	821,000
Granted (in shares) | shares	691,000
Forfeited (in shares) | shares	(26,000)
Issued (in shares) | shares	(196,000)
Restricted Stock Units outstanding, ending balance (in shares) | shares	1,290,000
Weighted Average Grant Date Fair Value
Restricted Stock Units outstanding, beginning balance (in dollars per share) | $ / shares	$ 7.43
Granted (in dollars per share) | $ / shares	5.79
Forfeited (in dollars per share) | $ / shares	12.99
Issued (in dollars per share) | $ / shares	8.99
Restricted Stock Units outstanding, ending balance (in dollars per share) | $ / shares	$ 6.20