Unfunded Loan Commitments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Credit Loss [Abstract]
Contractual obligation	$ 684,000
Allowance
Beginning balance	124,924	$ 72,713
Provision/New commitments - net	52,252	47,454
Other provision items	4,057	7,226
Transfer - funded loans	(148,513)	(94,686)
Ending balance	32,720	32,707
Unfunded Commitments
Beginning balance	1,995,808	1,776,976
Provision/New commitments - net	1,124,816	968,830
Other provision items	0	0
Transfer - funded loans	(2,436,271)	(2,184,058)
Ending balance	$ 684,353	$ 561,748