Earnings Per Share - Shares Included in Diluted Earnings Per Share Computations (Details) - shares		3 Months Ended	6 Months Ended
Dec. 21, 2016	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Line Items]
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
Shares held back in merger to secure indemnification	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)		363,593	692,506	368,273	720,103
10% shares held back pursuant to indemnification clause
Earnings Per Share [Line Items]
Adjustments to weighted average shares of common stock (in shares)		1,519,805	3,039,609	1,519,805	3,039,609
Warrants
Earnings Per Share [Line Items]
Adjustments to weighted average shares of common stock (in shares)		1,539,098	1,444,105	1,490,298	1,627,399

Business Combination, Shares Held Back To Secure Indemnification, Percentage

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- Definition

[Line Items] for Earnings Per Share [Table]

+ References

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- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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-Publisher FASB
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-Topic 260
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-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1505-109256

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1448-109256

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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