Goodwill and Intangibles - Activity (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Summary of activity within intangible assets
Balance as of January 1, 2021	$ 70,117
Amortization	(7,306)
Sales	(429)
Changes in fair value due to changes in inputs and assumptions	2,740
Balance as of June 30, 2021	65,122
In-place Lease Intangible Assets
Summary of activity within intangible assets
Balance as of January 1, 2021	40,663
Amortization	(6,250)
Sales	(360)
Changes in fair value due to changes in inputs and assumptions	0
Balance as of June 30, 2021	34,053
Favorable Lease Intangible Assets
Summary of activity within intangible assets
Balance as of January 1, 2021	16,252
Amortization	(1,056)
Sales	(69)
Changes in fair value due to changes in inputs and assumptions	0
Balance as of June 30, 2021	15,127
Domestic servicing rights, at fair value
Summary of activity within intangible assets
Balance as of January 1, 2021	13,202
Amortization	0
Sales	0
Changes in fair value due to changes in inputs and assumptions	2,740
Balance as of June 30, 2021	$ 15,942