Loans (Major Classifications Of Loans) (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021
Major classifications of loans [Abstract]
Total loans, gross		$ 4,748,081		$ 3,739,171
Unamortized loan fees and costs		6,616		8,053
Total loans, including unamortized loan fees and costs	[1]	4,754,697		3,747,224	$ 2,915,344
SBL Non Real Estate [Member]
Major classifications of loans [Abstract]
Total loans, gross		112,854	$ 122,400	147,722
Total loans, including unamortized loan fees and costs	[1]	112,854		147,722	228,958
SBL Commercial Mortgage [Member]
Major classifications of loans [Abstract]
Total loans, gross		425,219		361,171
Total loans, including unamortized loan fees and costs	[1]	425,219		361,171	343,487
SBL Construction [Member]
Major classifications of loans [Abstract]
Total loans, gross		27,042		27,199
Total loans, including unamortized loan fees and costs	[1]	27,042		27,199	18,494
Small Business Loans [Member]
Major classifications of loans [Abstract]
Total loans, gross		565,115		536,092
Direct Lease Financing [Member]
Major classifications of loans [Abstract]
Total loans, gross		583,086		531,012
Total loans, including unamortized loan fees and costs	[1]	583,086		531,012	506,424
SBLOC/IBLOC [Member]
Major classifications of loans [Abstract]
Total loans, gross	[2]	2,274,256		1,929,581
Total loans, including unamortized loan fees and costs	[1]	2,274,256		1,929,581	1,729,628
Advisor Financing [Member]
Major classifications of loans [Abstract]
Total loans, gross	[3]	155,235		115,770
Total loans, including unamortized loan fees and costs	[1]	$ 155,235		115,770	72,190
Loan amount, loan-to-value ratio		70.00%
Real Estate Bridge Lending [Member]
Major classifications of loans [Abstract]
Total loans, gross		$ 1,106,875		621,702
Total loans, including unamortized loan fees and costs	[1]	1,106,875		621,702
Other Loans [Member]
Major classifications of loans [Abstract]
Total loans, gross	[4]	63,514		5,014
Total loans, including unamortized loan fees and costs	[1]	63,514		5,014	$ 5,840
Consumer - Other [Member]
Major classifications of loans [Abstract]
Demand deposit overdrafts reclassified as loan balances		170		322
PPP Loans [Member]
Major classifications of loans [Abstract]
Total loans, gross		10,300		23,700
IBLOC [Member]
Major classifications of loans [Abstract]
Total loans, gross		$ 1,020,000		$ 788,300

[1] The ending balance for loans in the unallocated column represents deferred costs and fees.

[2] Securities Backed Lines of Credit, or SBLOC, are collateralized by marketable securities, while Insurance Backed Lines of Credit, or IBLOC, are collateralized by the cash surrender value of insurance policies. At June 30, 2022 and December 31, 2021, respectively, IBLOC loans amounted to $1.02 billion and $788.3 million.

[3] In 2020 the Company began originating loans to investment advisors for purposes of debt refinance, acquisition of another firm or internal succession. Maximum loan amounts are subject to loan-to-value ratios of 70%, based on third-party business appraisals, but may be increased depending upon the debt service coverage ratio. Personal guarantees and blanket business liens are obtained as appropriate.

[4] Includes demand deposit overdrafts reclassified as loan balances totaling $170,000 and $322,000 at June 30, 2022 and December 31, 2021, respectively. Estimated overdraft charge-offs and recoveries are reflected in the allowance for credit losses and have been immaterial.