Consolidated Statement Of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Cumulative Dividends In Excess Of Net Income [Member]	Cumulative Dividends In Excess Of Net Income [Member] Revision of Prior Period, Accounting Standards Update, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Parent [Member]	Noncontrolling Interest [Member]	At-The-Market [Member] Common Stock [Member]	Convertible Debt [Member] Common Stock [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	$ (643)							$ (643)
Balance, shares at Dec. 31, 2018		42,700,411
Balance, value at Dec. 31, 2018	1,389,713	$ 427	$ 1,369,919	$ 18,068		$ 1,299	$ 1,389,713
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to common stockholders	160,456			160,456		(4,731)	155,725
Comprehensive income	155,718
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments	95,774						95,774
Stock Issued During Period, Shares, New Issues		1,209,522
Stock Issued During Period, Value, New Issues	(38,186)	$ (12)	(95,762)				(38,186)
Payments of Stock Issuance Costs	(1,559)		1,559				1,559
Shares issued on stock options exercised, shares		51,156
Share-based Payment Arrangement, Noncash Expense			3,646
Share-based compensation	3,646						3,646
Dividends declared, $1.43 per share	(183,855)			(183,855)			(183,855)
Distributions to noncontrolling interest	(15)							(15)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	(7)							(7)
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments		$ 6	38,180
Shares issued on stock options exercised, value	(1)	$ (1)					(1)
Balance, shares at Dec. 31, 2019		44,587,486
Balance, value at Dec. 31, 2019	1,498,252	$ 446	1,505,948	(5,331)		(3,432)	1,497,631	621
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	(10,791)							(10,791)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to common stockholders	185,126			185,126		(3,717)	181,409
Comprehensive income	181,594
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments	$ 34,649						34,649
Stock Issued During Period, Shares, New Issues	535,990								535,990
Stock Issued During Period, Value, New Issues		$ (5)	(34,644)
Shares issued on stock options exercised, shares		62,516
Share-based Payment Arrangement, Noncash Expense			3,061
Share-based compensation	$ 3,061						3,061
Dividends declared, $1.43 per share	(197,585)			(197,585)			(197,585)
Distributions to noncontrolling interest	(886)							886
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	(2,705)		2,705				(2,705)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	185							185
Shares issued on stock options exercised, value	$ (1)	$ (1)	(2)				(1)
Balance, shares at Dec. 31, 2020	45,185,992	45,185,992
Balance, value at Dec. 31, 2020	$ 1,522,945	$ 452	1,540,946	(22,015)		(7,149)	1,512,234	10,711
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Retained Earnings (Accumulated Deficit)					$ (4,225)
Net income attributable to common stockholders	111,804			111,804		7,149	118,953
Comprehensive income	119,116
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments	$ 47,904						47,904
Stock Issued During Period, Shares, New Issues	661,951								661,951	626,397
Stock Issued During Period, Value, New Issues	$ (6,076)	(7)	(47,897)				(6,076)
Share-based Payment Arrangement, Noncash Expense			8,415
Share-based compensation	8,415						8,415
Dividends declared, $1.43 per share	(174,347)			(174,347)			(174,347)
Distributions to noncontrolling interest	(974)							974
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	163							163
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments		$ 0
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt							(6,076)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		2,656
Shares issued on stock options exercised, value	$ 0	$ 0	0				0
Balance, shares at Dec. 31, 2021	45,850,599	45,850,599
Balance, value at Dec. 31, 2021	$ 1,516,983	$ 459	$ 1,591,182	$ (84,558)		$ 0	$ 1,507,083	$ 9,900