Stock-based Compensation - Trust Restricted Share Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Grant Date Fair Value
Common stock, shares issued (in shares)	238,519,554	233,292,030
2013 Plan | Executive Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested at the beginning of the period (in shares)	1,046,940	976,570	964,139
Granted (in shares)	355,388	299,019	265,275
Vested (in shares)	(223,579)	(228,649)	(252,844)
Non-vested at the end of the period (in shares)	1,178,749	1,046,940	976,570
Weighted Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share)	$ 21.41	$ 22.59	$ 21.17
Granted (in dollars per share)	15.90	20.51	22.00
Vested (in dollars per share)	24.36	25.27	16.58
Non-vested at end of period (in dollars per share)	$ 19.19	$ 21.41	$ 22.59
Common stock, shares issued (in shares)	652,851	361,679	399,165
Restricted stock, shares issued net of shares for tax withholdings (in shares)	290,380	160,573	162,173
2013 Plan | Trustee Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested at the beginning of the period (in shares)	77,992	63,008	59,820
Granted (in shares)	73,860	64,004	56,925
Vested (in shares)	(61,164)	(49,020)	(53,737)
Non-vested at the end of the period (in shares)	90,688	77,992	63,008
Weighted Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share)	$ 16.60	$ 17.85	$ 18.81
Granted (in dollars per share)	14.66	16.67	17.35
Vested (in dollars per share)	16.32	18.30	18.38
Non-vested at end of period (in dollars per share)	$ 15.22	$ 16.60	$ 17.85