Loans (Summary Of Nonaccrual Loans And 90 Days Or More By Year Of Origination) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	$ 564,595	$ 975,467
Fiscal Year Before Latest Fiscal Year	966,598	1,539,551
Two Years Before Latest Fiscal Year	1,459,514	806,203
Three Years Before Latest Fiscal Year	682,485	146,373
Four Years Before Latest Fiscal Year	128,113	90,348
Prior	234,087	165,519
Revolving loans at amortized cost	1,559,602	1,628,878
Total	5,594,994	5,352,339
SBL Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	19,342	48,033
Fiscal Year Before Latest Fiscal Year	76,829	33,007
Two Years Before Latest Fiscal Year	31,539	27,809
Three Years Before Latest Fiscal Year	22,271	11,327
Four Years Before Latest Fiscal Year	8,164	4,703
Prior	8,097	6,256
Total	166,242	131,135
SBL Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	71,875	128,750
Fiscal Year Before Latest Fiscal Year	112,145	138,281
Two Years Before Latest Fiscal Year	136,422	104,163
Three Years Before Latest Fiscal Year	95,142	68,087
Four Years Before Latest Fiscal Year	67,458	60,998
Prior	160,180	101,995
Total	643,222	602,274
SBL Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	4,882	2,848
Fiscal Year Before Latest Fiscal Year	9,006	5,966
Two Years Before Latest Fiscal Year	2,226	7,642
Three Years Before Latest Fiscal Year	11,288	927
Four Years Before Latest Fiscal Year	927	4,534
Prior	2,552	710
Total	30,881	22,627
Direct Lease Financing [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	168,854	303,770
Fiscal Year Before Latest Fiscal Year	253,800	226,332
Two Years Before Latest Fiscal Year	181,570	95,145
Three Years Before Latest Fiscal Year	69,375	38,161
Four Years Before Latest Fiscal Year	25,712	17,799
Prior	12,092	4,450
Total	711,403	685,657
SBLOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Revolving loans at amortized cost	975,253	980,419
Total	975,253	980,419
IBLOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Revolving loans at amortized cost	582,842	646,866
Total	582,842	646,866
Advisor Financing [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	29,197	92,273
Fiscal Year Before Latest Fiscal Year	90,245	63,083
Two Years Before Latest Fiscal Year	59,667	40,994
Three Years Before Latest Fiscal Year	36,477	25,262
Four Years Before Latest Fiscal Year	23,245
Total	238,831	221,612
Real Estate Bridge Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	199,506	397,073
Fiscal Year Before Latest Fiscal Year	424,409	1,072,622
Two Years Before Latest Fiscal Year	1,047,832	530,087
Three Years Before Latest Fiscal Year	447,577
Total	2,119,324	1,999,782
Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	70,939	2,720
Fiscal Year Before Latest Fiscal Year	164	260
Two Years Before Latest Fiscal Year	258	363
Three Years Before Latest Fiscal Year	355	2,609
Four Years Before Latest Fiscal Year	2,607	2,314
Prior	51,166	52,108
Revolving loans at amortized cost	1,507	1,593
Total	126,996	61,967
90+ Days Still Accruing [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	258	476
Fiscal Year Before Latest Fiscal Year	662	273
Two Years Before Latest Fiscal Year	731	425
Three Years Before Latest Fiscal Year	2,172	276
Four Years Before Latest Fiscal Year	57
Prior	396	294
Total	4,276	1,744
90+ Days Still Accruing [Member] \| SBL Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Three Years Before Latest Fiscal Year	614	42
Four Years Before Latest Fiscal Year	42
Prior	108	294
Total	764	336
90+ Days Still Accruing [Member] \| Direct Lease Financing [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	258	298
Fiscal Year Before Latest Fiscal Year	662	146
Two Years Before Latest Fiscal Year	731	41
Three Years Before Latest Fiscal Year	274
Four Years Before Latest Fiscal Year	15
Prior	284
Total	2,224	485
90+ Days Still Accruing [Member] \| IBLOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Latest Fiscal Year		127
Two Years Before Latest Fiscal Year		384
Three Years Before Latest Fiscal Year	1,284	234
Total	1,284	745
90+ Days Still Accruing [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year		178
Prior	4
Total	4	178
Non- accrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year		58
Fiscal Year Before Latest Fiscal Year	767	1,775
Two Years Before Latest Fiscal Year	4,248	4,995
Three Years Before Latest Fiscal Year	6,015	1,186
Four Years Before Latest Fiscal Year	964	236
Prior	2,920	3,275
Total	14,914	11,525
Non- accrual [Member] \| SBL Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Latest Fiscal Year	160
Two Years Before Latest Fiscal Year	770	632
Three Years Before Latest Fiscal Year	531	522
Four Years Before Latest Fiscal Year	354	190
Prior	633	498
Total	2,448	1,842
Non- accrual [Member] \| SBL Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Two Years Before Latest Fiscal Year	1,379
Three Years Before Latest Fiscal Year	1,740	452
Four Years Before Latest Fiscal Year	542
Prior	1,550	1,929
Total	5,211	2,381
Non- accrual [Member] \| SBL Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Two Years Before Latest Fiscal Year		2,675
Three Years Before Latest Fiscal Year	2,675
Prior	710	710
Total	3,385	3,385
Non- accrual [Member] \| Direct Lease Financing [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year		58
Fiscal Year Before Latest Fiscal Year	607	1,775
Two Years Before Latest Fiscal Year	2,099	1,688
Three Years Before Latest Fiscal Year	1,069	212
Four Years Before Latest Fiscal Year	68	46
Prior	27	6
Total	3,870	3,785
Non- accrual [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Prior		132
Total		132
Total Past Due [Member] \| SBL Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Latest Fiscal Year	160
Two Years Before Latest Fiscal Year	770	632
Three Years Before Latest Fiscal Year	1,145	564
Four Years Before Latest Fiscal Year	396	190
Prior	741	792
Total	3,212	2,178
Total Past Due [Member] \| SBL Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Two Years Before Latest Fiscal Year	1,379
Three Years Before Latest Fiscal Year	1,740	452
Four Years Before Latest Fiscal Year	542
Prior	1,550	1,929
Total	5,211	2,381
Total Past Due [Member] \| SBL Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Two Years Before Latest Fiscal Year		2,675
Three Years Before Latest Fiscal Year	2,675
Prior	710	710
Total	3,385	3,385
Total Past Due [Member] \| Direct Lease Financing [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year	258	356
Fiscal Year Before Latest Fiscal Year	1,269	1,921
Two Years Before Latest Fiscal Year	2,830	1,729
Three Years Before Latest Fiscal Year	1,343	212
Four Years Before Latest Fiscal Year	83	46
Prior	311	6
Total	6,094	4,270
Total Past Due [Member] \| IBLOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Latest Fiscal Year		127
Two Years Before Latest Fiscal Year		384
Three Years Before Latest Fiscal Year	1,284	234
Total	1,284	745
Total Past Due [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year		178
Prior	4	132
Total	$ 4	$ 310

Financing Receivable, Excluding Accrued Interest, Originated, Total

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Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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