Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Stock-Based Compensation [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The following table summarizes our restricted stock award activity for the years ended December 31, 2022, 2021 and 2020. The vesting dates for the awards vested in 2022 occurred relatively evenly throughout the year ended December 31, 2022. The fair value of awards vested during 2022, 2021 and 2020 was $1.2 million, $1.5 million and $2.3 million, respectively.

	2022
	Number of Restricted Stock Awards ( in thousands)	Weighted Average Grant Date Fair Value
Unvested at January 1	14.0	$	19.70
Granted	106.0	15.19
Vested	(79.9)	15.57
Forfeited	—	—
Outstanding (unvested) at end of year	40.1	$	16.01

	2021
	Number of Restricted Stock Awards ( in thousands)	Weighted Average Grant Date Fair Value
Unvested at January 1	59.7	$	20.29
Granted	32.1	17.92
Vested	(77.8)	19.42
Forfeited	—	—
Outstanding (unvested) at end of year	14.0	$	19.70

	2020
	Number of Restricted Stock Awards (in thousands)	Weighted Average Grant Date Fair Value
Unvested at beginning of year	52.1	$	20.55
Granted	119.9	20.24
Vested	(111.8)	20.38
Forfeited	(0.5)	19.32
Outstanding (unvested) at end of year	59.7	$	20.29