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No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were cancelled during the reporting period.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Percentage of vesting of award under share-based payment arrangement.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Stockholders' Equity - Stock Options and Restricted Stock (Details) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) item $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Stock-based compensation, general disclosures.
Stock-based compensation expense \| $	$ 2,023	$ 2,228
Common stock options
Stock-based compensation, general disclosures.
Stock-based compensation expense \| $	300	$ 700
Total unrecognized pre-tax compensation expense related to nonvested stock option awards \| $	$ 1,000
Weighted-average period over which unrecognized compensation cost is expected to be recognized	1 year 1 month 6 days
Options Outstanding
Outstanding at beginning of period \| shares	615,307
Exercised \| shares	(316)
Forfeited \| shares	(12,065)
Cancelled/Expired \| shares	(16,714)
Outstanding at end of period \| shares	586,212		615,307
Weighted Average Exercise Price Per Share
Outstanding at beginning of period \| $ / shares	$ 43.25
Exercised \| $ / shares	1.11
Forfeited \| $ / shares	44.78
Cancelled/Expired \| $ / shares	48.81
Outstanding at end of period \| $ / shares	$ 43.09		$ 43.25
Other information
Options exercisable number of shares exercisable \| shares	479,622	576,134
Options exercisable, weighted-average exercise price \| $ / shares	$ 44.60	$ 36.57
Weighted average remaining contractual life (in years)	4 years 4 months 24 days		4 years 8 months 12 days
Options exercisable, weighted-average remaining contractual life	4 years 2 months 12 days
Aggregate Intrinsic Value, Options outstanding \| $	$ 358		$ 164
Aggregate Intrinsic Value, Exercised \| $	4
Aggregate Intrinsic Value, Options exercisable \| $	$ 162
Common stock options \| Minimum
Stock-based compensation, general disclosures.
Vesting period (in years)	3 years
Term (in years)	7 years
Common stock options \| Maximum
Stock-based compensation, general disclosures.
Vesting period (in years)	4 years
Term (in years)	10 years
2016 Plan \| Time-Based Restricted Stock Units
Stock-based compensation, general disclosures.
Stock-based compensation expense \| $	$ 1,300	$ 1,400
Total unrecognized pre-tax compensation expense related to awards \| $	$ 9,800
Weighted-average period over which unrecognized compensation cost is expected to be recognized	2 years 2 months 12 days
Units Outstanding
Restricted stock unit awards outstanding at the beginning of the period (in shares) \| shares	590,542
Granted (in shares) \| shares	269,461
Vested (in shares) \| shares	(102,651)
Cancelled (in shares) \| shares	(18,613)
Restricted stock unit awards outstanding at the end of the period (in shares) \| shares	738,739		590,542
Weighted Average Grant Date Fair Value Per Unit
Restricted stock unit awards outstanding at the beginning of the period (in dollars per share) \| $ / shares	$ 19.42
Granted (in dollars per share) \| $ / shares	14.35
Vested (in dollars per share) \| $ / shares	26.44
Cancelled (in dollars per share) \| $ / shares	25.14
Restricted stock unit awards outstanding at the end of the period (in dollars per share) \| $ / shares	$ 16.45		$ 19.42
Aggregate Intrinsic Value
Restricted stock unit awards, Average Intrinsic Value \| $	$ 12,130		$ 6,779
2016 Plan \| Time-Based Restricted Stock Units \| Minimum
Stock-based compensation, general disclosures.
Vesting period (in years)	1 year
2016 Plan \| Time-Based Restricted Stock Units \| Maximum
Stock-based compensation, general disclosures.
Vesting period (in years)	3 years
2016 Plan \| Performance-based stock-settled restricted stock units
Stock-based compensation, general disclosures.
Stock-based compensation expense \| $	$ 200	$ 100
Total unrecognized pre-tax compensation expense related to awards \| $	$ 2,600
Weighted-average period over which unrecognized compensation cost is expected to be recognized	2 years 4 months 24 days
Number of performance awards under share-based payment arrangement \| item	3
Units Outstanding
Restricted stock unit awards outstanding at the beginning of the period (in shares) \| shares	155,618
Granted (in shares) \| shares	106,183
Vested (in shares) \| shares	(9,915)
Cancelled (in shares) \| shares	(7,762)
Restricted stock unit awards outstanding at the end of the period (in shares) \| shares	244,124		155,618
Weighted Average Grant Date Fair Value Per Unit
Restricted stock unit awards outstanding at the beginning of the period (in dollars per share) \| $ / shares	$ 25.05
Granted (in dollars per share) \| $ / shares	14.35
Vested (in dollars per share) \| $ / shares	51.89
Cancelled (in dollars per share) \| $ / shares	26.33
Restricted stock unit awards outstanding at the end of the period (in dollars per share) \| $ / shares	$ 19.27		$ 25.05
Aggregate Intrinsic Value
Restricted stock unit awards, Average Intrinsic Value \| $	$ 4,009		$ 1,786
2016 Plan \| Performance-based stock-settled restricted stock units \| Minimum
Stock-based compensation, general disclosures.
Performance goals revenue change and adjusted EBITDA margin	25.00%
Units Outstanding
Percentage to earn or vest the performance-based stock-settled restricted stock units	50.00%
2016 Plan \| Performance-based stock-settled restricted stock units \| Maximum
Stock-based compensation, general disclosures.
Performance goals revenue change and adjusted EBITDA margin	175.00%
Units Outstanding
Percentage to earn or vest the performance-based stock-settled restricted stock units	150.00%
2016 Plan \| Tranche one \| Performance-based stock-settled restricted stock units
Stock-based compensation, general disclosures.
Award vesting percentage	33.33%
2016 Plan \| Tranche two \| Performance-based stock-settled restricted stock units
Stock-based compensation, general disclosures.
Award vesting percentage	33.33%