Earnings Per Share - Summary of Shares Included in Diluted Earnings Per Share (Details) - shares		12 Months Ended
	Dec. 08, 2017	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted average shares of common stock outstanding – basic (in shares)		36,527,672	34,708,429	32,893,940
Weighted average shares of common stock outstanding – diluted (in shares)		37,448,430	36,403,279	37,914,886
Shares held back in merger to secure indemnification (as a percent)	10.00%	10.00%	10.00%	10.00%
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Adjustments to weighted average shares of common stock (in shares)		0	0	2,935,512
Warrants
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Adjustments to weighted average shares of common stock (in shares)		717,029	1,384,078	1,625,994
Stock options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Adjustments to weighted average shares of common stock (in shares)		182,999	295,672	459,440
Management restricted stock awards (dilutive) | Management restricted stock awards (dilutive)
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Adjustments to weighted average shares of common stock (in shares)		7,242	15,100	0
Management restricted stock awards (dilutive) | Executive restricted stock awards (dilutive)
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Adjustments to weighted average shares of common stock (in shares)		13,488	0	0