Loans Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans Information [Line Items]
Interest receivable	$ 80,528	$ 90,263
Financing Receivable, Nonaccrual, Interest Income	574	3,000
Recorded Investment(a)	18,216	36,154	$ 15,940
Restructured Loans Subsequently Accruing	8,000
Ytd Restructured Loans Still On Nonaccrual	10,000
Loans and Leases Receivable, Impaired, Commitment to Lend	13,000
Loans and Finance Receivables [Member]
Loans Information [Line Items]
Interest receivable	55,000	66,000
Possible liquidity issues [Member]
Loans Information [Line Items]
Financing Receivable, Troubled Debt Restructuring	$ 7,000	$ 68,000