Earnings Per Share - Earnings Per Share Computations (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Earnings per share – basic (in dollars per share)	$ 0.10	$ 0.08	$ 0.11	$ 0.15
Earnings per share – diluted (in dollars per share)	$ 0.09	$ 0.07	$ 0.10	$ 0.13
Weighted average shares of common stock outstanding – basic (in shares)	34,540,059	32,674,459	34,518,461	32,548,662
Weighted average shares of common stock outstanding – diluted (in shares)	37,962,555	37,850,679	37,896,837	37,935,773