Derivatives - Offsetting Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Offsetting Liabilities [Line Items]
Gross Amounts	$ (7,105)	$ (10,900)
Gross Amounts Not Offset, Financial Instruments	2,559	10,900
Gross Amounts Not Offset, Cash Collateral	36	0
Net Amount	(4,510)	0
TBA Agency Securities
Offsetting Liabilities [Line Items]
Gross Amounts	(7,105)	(3,715)
Gross Amounts Not Offset, Financial Instruments	2,559	3,715
Gross Amounts Not Offset, Cash Collateral	36	0
Net Amount	$ (4,510)	0
Interest rate swap contracts
Offsetting Liabilities [Line Items]
Gross Amounts		(7,185)
Gross Amounts Not Offset, Financial Instruments		7,185
Gross Amounts Not Offset, Cash Collateral		0
Net Amount		$ 0