Long-Term Incentive Plans (Tables)

3 Months Ended

Mar. 31, 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 Statements of Consolidated Operations for the periods presented (in thousands):

	For the Three Months Ended
	March 31,
	2021		2020
Equity classified awards
TSUs	$	75	$	131
PSUs		23		37
Board RSUs		4		5
	$	102	$	173

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		—	$	—
Board RSUs outstanding at March 31, 2021		8,898	$	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		—		$	—
Forfeited		(622	)	$	5.12
Vested		(7,870	)	$	6.27
TSUs outstanding at March 31, 2021		107,305		$	4.33

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

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		(1,866	)	$	2.11
Vested		—		$	—
PSUs outstanding at March 31, 2021		212,688		$	2.36

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