Summary of Significant Accounting Principles - Share Based Compensation and Other (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Income Tax Examination, Penalties and Interest Accrued
Uncertain income tax positions	$ 0		$ 0
Accrual for interest or penalties	0		0		$ 0
Numerator:
Net income	90,505,000	$ 62,431,000	177,527,000	$ 117,391,000
Less: earnings attributable to unvested restricted shares	(147,000)	(213,000)	(249,000)	(440,000)
Net income used in basic and diluted income per share	$ 90,358,000	$ 62,218,000	$ 177,278,000	$ 116,951,000
Denominator:
Weighted average common shares outstanding	281,296,858	270,909,151	278,396,475	268,961,123
Less: Weighted average number of shares of unvested restricted stock (in shares)	(457,466)	(615,596)	(459,021)	(620,149)
Weighted average shares outstanding used in basic income per share (in shares)	280,839,392	270,293,555	277,937,454	268,340,974
Effects of dilutive securities:
Weighted average shares outstanding used in diluted income per share (in shares)	280,839,392	270,293,555	277,937,454	268,340,974
Antidilutive unvested restricted shares (in shares)	58,294	208,824	108,048	229,285
Restricted Stock
Sharebased Compensation
Granted in period (in shares)			233,147
Shares vested (shares)			166,770
Forfeited in period (in shares)			53,092
Shares repurchased in connection with tax withholding obligations (in shares)			82,321
Outstanding (in shares)	450,709		450,709
Restricted stock units
Sharebased Compensation
Shares vested (shares)			297,605
Shares repurchased in connection with tax withholding obligations (in shares)			120,475
Restricted stock units | Executive Officer | Vesting Based On Service And Market Conditions
Sharebased Compensation
Granted in period (in shares)			629,307
Outstanding (in shares)	1,635,061		1,635,061