Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Nonvested Restricted Stock Shares Activity [Table Text Block]

		Weighted
	Number of	Average Grant
	Units	Date Fair Value
Unvested at June 13, 2018	—	$	—
Granted	287,232		14.30
Forfeited	(16,490)		16.00
Unvested at December 31, 2018	270,742	$	14.20
Granted	902,285		7.53
Vested	(125,621)		11.42
Forfeited	(139,318)		9.17
Unvested at December 31, 2019	908,088	$	8.73

Share-based Payment Arrangement, Option, Activity [Table Text Block]

		Weighted
	Number of	Average Grant
	Units	Date Fair Value
Unvested at June 13, 2018	—	$
Granted	192,203		6.09
Forfeited/Canceled	(14,943)		6.09
Unvested at December 31, 2018	177,260	$	6.09
Granted	244,785		4.41
Vested	(44,312)		6.09
Forfeited/Canceled	(18,474)		6.09
Unvested at December 31, 2019	359,259	$	4.95

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2019			2018
Strike price	$	9.40		$	16.00
Risk-free interest rate		2.50	%		2.91	%
Expected dividend yield		0	%		0	%
Expected volatility		45.65	%		32.67	%
Expected term (in years)		6.25			6.25

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity [Table Text Block]

	Number of	Grant Date
	Units	Exercise Price
Outstanding at December 31, 2016	72,500		9.95
Granted	—		—
Exercised	(2,175)		9.95
Canceled or expired	(5,075)		9.95
Outstanding at December 31, 2017	65,250		9.95
Granted	—		—
Exercised	(63,250)		9.95
Canceled or expired	(2,000)		9.95
Outstanding at December 31, 2018	—		—

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Number of	Weighted
	Units	Average
Unvested at December 31, 2016	237,500	$	6.79
Granted	292,500		10.37
Vested	(69,333)		6.62
Forfeited	(14,667)		7.69
Unvested at December 31, 2017	446,000		9.14
Granted	—		—
Vested-pre IPO	(105,307)		7.74
Forfeited-pre IPO	(6,667)		7.52
Unvested at June 13, 2018	334,026		9.62
Conversion in connection with IPO	4.6666667
Unvested-post IPO	1,558,787		2.06
Vested-post IPO	(144,667)		2.67
Forfeited-post IPO	(12,446)		1.99
Unvested at December 31, 2018	1,401,674		2.00
Vested	(454,893)		1.70
Forfeited	(103,893)		2.15
Unvested at December 31, 2019	842,888	$	2.14