Fair Value Impaired financing receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Book Value Of Impaired Loans Carried At Fair Value	$ 2,499	$ 5,903
Partial Charge-Offs On Impaired Loans carried at Fair Value	2,048	1,523
Impaired Financing Receivable, Related Allowance	5,801	4,175
Impaired loans carried at fair value	2,497	5,773
Impaired Financing Receivable, loans not held at Fair Value, Recorded Investment	42,716	72,438
Partial Charge-offs on Impaired Loans carried at Cost	301	252
impaired Financing Receivable, loans not held at Fair Value, Carrying Amount	37,735	69,002
Impaired Financing Receivable, Recorded Investment	45,215	78,341
Partial charge-offs on impaired loans	2,349	1,775
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	4,983	3,566
Impaired Financing Receivable, Carrying Value	40,232	74,775
Impaired Financing Receivable, carried at fair value, related expense	(1,000)	(900)	$ 500
Commercial Receivables, excluding Commercial, Financial, and Agricultural [Domain]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance	2	130
Financing Receivable, not collateral dependent [Domain]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance	$ 4,981	$ 3,436