Long-Term Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2021

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Amount of Compensation Expense Recognized

The following table summarizes the amount of recognized compensation expense associated with the Legacy Amplify MIP and Legacy Amplify Non-Employee Directors Compensation Plan, which are reflected in the accompanying Unaudited Condensed Consolidated Statements of Operations for the periods presented (in thousands):

	For the Three Months Ended					For the Six Months Ended
	June 30,					June 30,
	2021		2020			2021		2020
Equity classified awards
TSUs		582		(6	)		657		125
PSUs		16		5			39		10
Board RSUs		4		2			8		40
PRSUs	$	89	$	—		$	89	$	—
	$	691	$	1		$	793	$	175

2017 Non-Employee Directors Compensation Plan [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Information Regarding Restricted Stock Unit Awards

The following table summarizes information regarding the Board RSUs granted under the Legacy Amplify Non-Employee Directors Compensation Plan for the period presented:

				Weighted-
				Average Grant
	Number of			-Date Fair Value
	Units			per Unit (1)
Board RSUs outstanding at December 31, 2020		8,898		$	5.12
Granted		—		$	—
Forfeited		—		$	—
Vested		(5,565	)	$	5.12
Board RSUs outstanding at June 30, 2021		3,333		$	5.12

(1) Determined by dividing the aggregate grant-date fair value of awards by the number of awards issued.

TSUs [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Information Regarding Restricted Stock Unit Awards

The following table summarizes information regarding the TSUs granted under the Legacy Amplify MIP for the period presented:

				Weighted-
				Average Grant
	Number of			-Date Fair Value
	Units			per Unit (1)
TSUs outstanding at December 31, 2020		115,797		$	4.47
Granted (2)		872,588		$	3.52
Forfeited		(1,244	)	$	5.12
Vested		(24,056	)	$	3.91
TSUs outstanding at June 30, 2021		963,085		$	3.62

(1) Determined by dividing the aggregate grant-date fair value of awards by the number of awards issued.

(2) The aggregate grant-date fair value of TSUs issued for the six months ended June 30, 2021 was $3.1 million based on a grant date market price of $3.52 per share.

PSUs [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Information Regarding Restricted Stock Unit Awards

The following table summarizes information regarding the PSUs granted under the Legacy Amplify MIP for the period presented:

				Weighted-
				Average Grant
	Number of			-Date Fair Value
	Units			per Unit (1)
PSUs outstanding at December 31, 2020		214,554		$	2.36
Granted		—		$	—
Forfeited		(3,732	)	$	2.11
Vested		—		$	—
PSUs outstanding at June 30, 2021		210,822		$	2.36

(1) Determined by dividing the aggregate grant date fair value of awards by the number of awards issued.

PRSU [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Information Regarding Restricted Stock Unit Awards

The following table summarizes information regarding the PRSUs granted under the Legacy Amplify MIP for the period presented:

	Number of Units		Weighted-Average Grant-Date Fair Value per Unit (1)
PRSUs outstanding at December 31, 2020		—	$	—
Granted (2)		196,377	$	1.94
Forfeited		—	$	—
Vested		—	$	—
PRSUs outstanding at June 30, 2021		196,377	$	1.94

(1) Determined by dividing the aggregate grant-date fair value of awards by the number of awards issued.

(2) The aggregate grant-date fair value of PRSUs issued for the six months ended June 30, 2021 was $0.4 million based on a grant-date market price ranging from $1.24 to $2.63 per share.

Ranges for the Assumptions Used in Monte Carlo Model for PRSUs Granted

The ranges for the assumptions used in the Monte Carlo model for the PRSUs granted during 2021 are presented as follows:

	2021
Expected volatility		119.6	%
Dividend yield		0.00	%
Risk-free interest rate		0.31	%