Earnings Per Share (Details) - shares		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Stock options
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	[1]	962,795	63,019
Restricted Stock Units (RSUs)
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	[1]	692,947	610,642
Warrants | Private placement
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	[1]	6,160,000	6,160,000
Warrants | Public
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	[1]	9,823,072	9,823,072
Director | Restricted Stock
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	[1]	64,369	122,929

[1] SARs and Phantom Shares are payable in cash so will have no impact on number of shares