Fair Value - Measurement on Recurring and Nonrecurring Basis (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) loan	Dec. 31, 2021 USD ($)
Financial assets:
Impaired loans, net	$ 147,131	$ 148,839
Allowance for credit losses on impaired loans	$ 85,386	86,886
Number of impaired loans | loan	7
Aggregate carrying value of impaired loans before reserves	$ 147,100
Impairment loss	$ 12,200
Number of impaired loans held-for-sale | loan	12
Unrealized impairment losses	$ 135,900
Carrying Value
Financial assets:
Derivative financial instruments	4,206	1,665
Financial liabilities:
Derivative financial instruments	23,239	1,482
Fair Value
Financial assets:
Derivative financial instruments	4,206	1,665
Financial liabilities:
Derivative financial instruments	23,239	$ 1,482
Recurring basis | Carrying Value
Financial assets:
Derivative financial instruments	4,206
Financial liabilities:
Derivative financial instruments	23,239
Recurring basis | Fair Value
Financial assets:
Derivative financial instruments	4,206
Financial liabilities:
Derivative financial instruments	23,239
Nonrecurring basis | Carrying Value
Financial assets:
Loans held-for-investment	61,745
Loans held-for-sale	123,705
Impaired loans, net	185,450
Nonrecurring basis | Fair Value
Financial assets:
Loans held-for-investment	61,745
Loans held-for-sale	123,705
Impaired loans, net	185,450
Level 2 | Recurring basis
Financial assets:
Derivative financial instruments	2,652
Financial liabilities:
Derivative financial instruments	23,239
Level 2 | Nonrecurring basis
Financial assets:
Loans held-for-sale	123,705
Impaired loans, net	123,705
Level 3 | Recurring basis
Financial assets:
Derivative financial instruments	1,554
Level 3 | Nonrecurring basis
Financial assets:
Loans held-for-investment	61,745
Impaired loans, net	$ 61,745