Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Disclosure of restricted stock award activity

The following tables summarize our restricted stock award activity for the three and nine months ended September 30, 2021 and 2020.

	Three Months Ended September 30, 2021
	Number of Shares of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of period	44.2	$	19.83
Granted	5.0	16.79
Vested	(21.5)	18.82
Forfeited	—	—
Outstanding (unvested) at end of period	27.7	$	20.07

	Three Months Ended September 30, 2020
	Number of Shares of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of period	59.3	$	20.87
Granted	—	—
Vested	(21.1)	20.64
Forfeited	—	—
Outstanding (unvested) at end of period	38.2	$	20.99

	Nine Months Ended September 30, 2021
	Number of Shares of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of period	59.7	$	20.29
Granted	24.3	18.29
Vested	(56.3)	19.54
Forfeited	—	—
Outstanding (unvested) at end of period	27.7	$	20.07

	Nine Months Ended September 30, 2020
	Number of Shares of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of period	52.1	$	20.55
Granted	60.2	20.84
Vested	(73.6)	20.59
Forfeited	(0.5)	19.32
Outstanding (unvested) at end of period	38.2	$	20.99