Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Cumulative Earnings	Cumulative Distributions to Stockholders
Beginning balance (in shares) at Dec. 31, 2019		114,353,036
Balance at beginning of period at Dec. 31, 2019	$ 1,827,231	$ 1,144	$ 2,269,617	$ 41,513	$ 1,579,124	$ (2,064,167)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(581,847)				(581,847)
Other comprehensive loss	(45,734)			(45,734)
Issuance of common stock (in shares)		350,088
Issuance of common stock	5,547	$ 3	5,544
Employee stock purchase and incentive plans (in shares)		434,217
Employee stock purchase and incentive plans	(3,952)	$ 4	(3,956)
Non-cash equity award compensation	15,298		15,298
Share repurchases (in shares)		(3,047,335)
Share repurchases	(21,659)	$ (30)	(21,629)
Common dividends declared	(83,985)					(83,985)
Ending balance (in shares) at Dec. 31, 2020		112,090,006
Balance at End of Period at Dec. 31, 2020	1,110,899	$ 1,121	2,264,874	(4,221)	997,277	(2,148,152)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	319,613				319,613
Other comprehensive loss	(4,706)			(4,706)
Issuance of common stock (in shares)		2,503,662
Issuance of common stock	34,708	$ 25	34,683
Employee stock purchase and incentive plans (in shares)		298,641
Employee stock purchase and incentive plans	(1,657)	$ 3	(1,660)
Non-cash equity award compensation	18,902		18,902
Share repurchases (in shares)		0
Share repurchases	0	$ 0	0
Common dividends declared	(91,672)					(91,672)
Ending balance (in shares) at Dec. 31, 2021		114,892,309
Balance at End of Period at Dec. 31, 2021	1,386,087	$ 1,149	2,316,799	(8,927)	1,316,890	(2,239,824)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(163,520)				(163,520)
Other comprehensive loss	(59,941)			(59,941)
Issuance of common stock (in shares)		5,232,869
Issuance of common stock	67,476	$ 52	67,424
Employee stock purchase and incentive plans (in shares)		488,388
Employee stock purchase and incentive plans	(1,888)	$ 5	(1,893)
Non-cash equity award compensation	23,940		23,940
Share repurchases (in shares)		(7,128,891)
Share repurchases	(56,496)	$ (71)	(56,425)
Common dividends declared	(111,673)					(111,673)
Ending balance (in shares) at Dec. 31, 2022		113,484,675
Balance at End of Period at Dec. 31, 2022	$ 1,083,985	$ 1,135	$ 2,349,845	$ (68,868)	$ 1,153,370	$ (2,351,497)