Stockholders' Equity - AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	$ 1,491,315	$ 1,958,678	$ 2,201,350
Total other comprehensive income (loss)	(9,300)	(47,421)	28,842
Ending balance	1,389,024	1,491,315	1,958,678
OP
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Other comprehensive income (loss) before reclassification	16	(375)	(1,392)
Amounts reclassified from AOCI	146	(845)	1,746
Total other comprehensive income (loss)	162	(1,220)	354
Investment Entities
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Other comprehensive income (loss) before reclassification	0	(321)
Amounts reclassified from AOCI	(1,872)	0
Total other comprehensive income (loss)	(1,872)	(321)	2,193
Accumulated Other Comprehensive Income
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	8,786	54,588	28,294
Other comprehensive income (loss) before reclassification	(9,316)	(10,768)	(46,718)
Amounts reclassified from AOCI	(146)	(35,114)	73,012
Total other comprehensive income (loss)	(9,462)	(45,802)	26,294
Ending balance	(676)	8,786	54,588
Unrealized gain (loss) on real estate securities, available for sale
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	0	275	15,909
Other comprehensive income (loss) before reclassification	0	137	(88,646)
Amounts reclassified from AOCI	0	(412)	73,012
Total other comprehensive income (loss)	0	(275)	(15,634)
Ending balance	0	0	275
Unrealized gain (loss) on net investment hedges
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	17,893	47,127	25,872
Other comprehensive income (loss) before reclassification	0	0	21,255
Amounts reclassified from AOCI	710	(29,234)	0
Total other comprehensive income (loss)	710	(29,234)	21,255
Ending balance	18,603	17,893	47,127
Foreign currency translation gain (loss)
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	(9,107)	7,186	(13,487)
Other comprehensive income (loss) before reclassification	(9,316)	(10,905)	20,673
Amounts reclassified from AOCI	(856)	(5,468)	0
Total other comprehensive income (loss)	(10,172)	(16,293)	20,673
Ending balance	(19,279)	(9,107)	7,186
AOCI Attributable to Noncontrolling Interest | OP
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	(162)	1,058	704
Ending balance	0	(162)	1,058
AOCI Attributable to Noncontrolling Interest | Investment Entities
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	1,872	2,193	0
Ending balance	0	1,872	2,193
Unrealized gain (loss) on real estate securities, available for sale | OP
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	0	(73)	612
Other comprehensive income (loss) before reclassification	0	98	(2,431)
Amounts reclassified from AOCI	0	(25)	1,746
Total other comprehensive income (loss)	0	73	(685)
Ending balance	0	0	(73)
Unrealized gain (loss) on net investment hedges | OP
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	710	1,403	893
Other comprehensive income (loss) before reclassification	0	0	510
Amounts reclassified from AOCI	(710)	(693)	0
Total other comprehensive income (loss)	(710)	(693)	510
Ending balance	0	710	1,403
Foreign currency translation gain (loss) | OP
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	(872)	(272)	(801)
Other comprehensive income (loss) before reclassification	16	(473)	529
Amounts reclassified from AOCI	856	(127)	0
Total other comprehensive income (loss)	872	(600)	529
Ending balance	0	(872)	(272)
Foreign currency translation gain (loss) | Investment Entities
AOCI Attributable to Noncontrolling Interest, Net of Tax [Abstract]
Beginning balance	1,872	2,193	0
Ending balance	$ 0	$ 1,872	$ 2,193