Fair Value Disclosures - Level 3 Roll Forward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Net Asset (Liability) Value [Roll Forward]
Beginning balance	$ 9,252	$ 141
Additions	(2,097)	(6,092)
Payments received	(133)	(123)
(Decrease) Increase in value	2,522	5,326
Transfer into Level 3		10,000
Transfer from Level 3	(9,877)
Ending balance	(333)	9,252
Derivative Financial Instruments, Liabilities [Member] | Credit Risk Contract [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(535)	(176)
Additions	(2,097)	(6,092)
Payments received	0	0
(Decrease) Increase in value	2,251	5,733
Transfer from Level 3	0
Transfer into Level 3		0
Ending balance	(381)	(535)
Corporate Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	9,600	0
Additions	0	0
Payments received	0	0
(Decrease) Increase in value	277	(400)
Transfer into Level 3		10,000
Transfer from Level 3	(9,877)
Ending balance	0	9,600
Loans [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	187	317
Additions	0	0
Payments received	(133)	(123)
(Decrease) Increase in value	(6)	(7)
Transfer into Level 3		0
Transfer from Level 3	0
Ending balance	$ 48	$ 187