Earnings Per Share - Shares Included in Diluted Earnings Per Share Computations (Details) - shares		3 Months Ended		9 Months Ended
	Dec. 21, 2016	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Line Items]
Weighted average shares of common stock outstanding – basic (in shares)		34,643,754	32,917,007	34,555,124	32,672,793
Weighted average shares of common stock outstanding – diluted (in shares)		37,792,266	38,387,700	37,816,698	38,010,838
Shares held back in merger to secure indemnification (as a percent)	10.00%	10.00%	10.00%	10.00%	10.00%
Stock options
Earnings Per Share [Line Items]
Adjustments to weighted average shares of common stock (in shares)		299,536	648,724	307,665	633,131
10% shares held back pursuant to indemnification clause
Earnings Per Share [Line Items]
Adjustments to weighted average shares of common stock (in shares)		1,511,332	3,039,609	1,511,332	3,039,609
Warrants
Earnings Per Share [Line Items]
Adjustments to weighted average shares of common stock (in shares)		1,337,644	1,782,360	1,442,577	1,665,305