CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss)	Cumulative Earnings	Cumulative Distributions to Stockholders
Balance at beginning of period at Dec. 31, 2021		$ 1,386,087	$ 0	$ 1,149	$ 2,316,799	$ (8,927)	$ 1,316,890	$ (2,239,824)
Beginning balance (in shares) at Dec. 31, 2021				114,892,309
Increase (Decrease) in Stockholders' Equity
Net (loss)		(119,462)					(119,462)
Other comprehensive (loss) income		(56,008)				(56,008)
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)				346,727
Employee stock purchase and incentive plans		(1,148)		$ 3	(1,151)
Non-cash equity award compensation		18,505			18,505
Share repurchases (in shares)				(7,128,891)
Share repurchases		(56,496)		$ (71)	(56,425)
Common dividends declared	[1]	(84,712)						(84,712)
Balance at End of Period at Sep. 30, 2022		1,154,242	0	$ 1,133	2,345,152	(64,935)	1,197,428	(2,324,536)
Ending balance (in shares) at Sep. 30, 2022				113,343,014
Balance at beginning of period at Jun. 30, 2022		1,258,091	0	$ 1,168	2,363,709	(57,788)	1,247,839	(2,296,837)
Beginning balance (in shares) at Jun. 30, 2022				116,753,174
Increase (Decrease) in Stockholders' Equity
Net (loss)		(50,411)					(50,411)
Other comprehensive (loss) income		(7,147)				(7,147)
Employee stock purchase and incentive plans (in shares)				38,698
Employee stock purchase and incentive plans		34			34
Non-cash equity award compensation		5,068			5,068
Share repurchases (in shares)				(3,448,858)
Share repurchases		(23,694)		$ (35)	(23,659)
Common dividends declared	[1]	(27,699)						(27,699)
Balance at End of Period at Sep. 30, 2022		1,154,242	0	$ 1,133	2,345,152	(64,935)	1,197,428	(2,324,536)
Ending balance (in shares) at Sep. 30, 2022				113,343,014
Balance at beginning of period at Dec. 31, 2022		1,083,985	0	$ 1,135	2,349,845	(68,868)	1,153,370	(2,351,497)
Beginning balance (in shares) at Dec. 31, 2022				113,484,675
Increase (Decrease) in Stockholders' Equity
Net (loss)		(23,317)					(23,317)
Other comprehensive (loss) income		4,130				4,130
Issuance of common stock (in shares)				4,244,580
Issuance of common stock		33,328		$ 42	33,286
Employee stock purchase and incentive plans (in shares)				774,507
Employee stock purchase and incentive plans		(2,828)		$ 8	(2,836)
Issuance of preferred stock		66,923	66,923
Non-cash equity award compensation		14,952			14,952
Preferred dividends declared		(4,927)					(4,927)
Common dividends declared	[1]	(66,447)						(66,447)
Balance at End of Period at Sep. 30, 2023		1,105,799	66,923	$ 1,185	2,395,247	(64,738)	1,125,126	(2,417,944)
Ending balance (in shares) at Sep. 30, 2023				118,503,762
Balance at beginning of period at Jun. 30, 2023		1,124,138	66,923	$ 1,142	2,358,675	(62,091)	1,157,686	(2,398,197)
Beginning balance (in shares) at Jun. 30, 2023				114,177,992
Increase (Decrease) in Stockholders' Equity
Net (loss)		(30,810)					(30,810)
Other comprehensive (loss) income		(2,647)				(2,647)
Issuance of common stock (in shares)				4,244,580
Issuance of common stock		33,328		$ 42	33,286
Employee stock purchase and incentive plans (in shares)				81,190
Employee stock purchase and incentive plans		(123)		$ 1	(124)
Non-cash equity award compensation		3,410			3,410
Preferred dividends declared		(1,750)					(1,750)
Common dividends declared	[1]	(19,747)						(19,747)
Balance at End of Period at Sep. 30, 2023		$ 1,105,799	$ 66,923	$ 1,185	$ 2,395,247	$ (64,738)	$ 1,125,126	$ (2,417,944)
Ending balance (in shares) at Sep. 30, 2023				118,503,762

[1] Includes dividends and dividend equivalents declared on common stock and stock-based compensation awards