Loans Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Loans Information [Line Items]
Interest receivable	$ 95,426		$ 95,426		$ 80,528
Financing Receivable, Nonaccrual, Interest Income	44	$ 140	139	$ 238
Nonaccrual Loans, Current Portion	$ 65,000		$ 65,000		$ 84,000
Percent of current nonaccrual loans	60.00%		60.00%		65.00%
Financing Receivable, Nonaccrual, Interest Income	$ 0		$ 0		$ 0
Financing Receivable, Nonaccrual, No Allowance	15,000		15,000		9,000
Recorded Investment(a)			9,267	$ 9,808
Restructured Loans Subsequently Accruing	1,000		1,000
Ytd Restructured Loans Still On Nonaccrual	8,000		8,000
Possible Liquidity Issues [Member]
Loans Information [Line Items]
Financing Receivable, Troubled Debt Restructuring	0		0		7,000
Loans and Finance Receivables [Member]
Loans Information [Line Items]
Interest receivable	$ 68,000		$ 68,000		$ 55,000

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Amount of financing receivable modified as troubled debt restructuring.

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Amount of interest income on financing receivable on nonaccrual status.

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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