Stock-Based Compensation (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2021 and 2020.

	Three Months Ended June 30, 2021
	Number of Shares of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of period	53.7	$	19.95
Granted	—	—
Vested	(9.5)	20.52
Forfeited	—	—
Outstanding (unvested) at end of period	44.2	$	19.83

	Three Months Ended June 30, 2020
	Number of Shares of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of period	73.8	$	20.66
Granted	—	—
Vested	(14.5)	19.84
Forfeited	—	—
Outstanding (unvested) at end of period	59.3	$	20.87

	Six Months Ended June 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	19.3	18.69
Vested	(34.8)	19.98
Forfeited	—	—
Outstanding (unvested) at end of period	44.2	$	19.83

	Six Months Ended June 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	(52.5)	20.58
Forfeited	(0.5)	19.32
Outstanding (unvested) at end of period	59.3	$	20.87