Supplemental Financial Data (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Supplemental Financial Data
Realized gains	$ 7,172	$ 7,282
Unrealized gains	(33,434)	(6,912)
Income (loss) before provision for income taxes	(59,453)	27,447
Income (loss) on unconsolidated joint ventures	$ (3,537)	2,929
WFLLA LLC
Supplemental Financial Data
Ownership percentage	50.00%
Girod HoldCo, LLC
Supplemental Financial Data
Interest income	$ 381	1,157
Realized gains	149	201
Unrealized gains	(1,987)	11,278
Servicing expense and other	(1,588)	(898)
Income (loss) before provision for income taxes	(3,045)	11,738
WFLLA LLC
Supplemental Financial Data
Interest income	190	577
Realized gains	74	100
Unrealized gains	(992)	5,628
Servicing expense and other	(794)	(447)
Income (loss) before provision for income taxes	(1,522)	5,858
Income (loss) on unconsolidated joint ventures	$ (761)	$ 2,929
WFLLA LLC \| Girod HoldCo, LLC
Supplemental Financial Data
Ownership percentage	49.90%
Other Unconsolidated Joint Ventures
Supplemental Financial Data
Income (loss) on unconsolidated joint ventures	$ (2,776)

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