Loans (Effect Of The Adoption Of CECL) (Details) - USD ($) $ in Thousands		Sep. 30, 2021		Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 16,159		$ 16,082	$ 15,727	$ 10,238
Allowance for credit losses on off-balance sheet credit		1,088
Total allowance for credit losses		$ 17,247
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.52%
SBL Non Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 5,378		5,060	4,801	4,985
Financing Receivable Allowance For Credit Losses, Percent Of Segment		3.13%
SBL Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 2,795		3,315	3,552	1,472
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.76%
SBL Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 370		328	423	432
Financing Receivable Allowance For Credit Losses, Percent Of Segment		1.60%
Direct Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 5,637		6,043	5,847	2,426
Financing Receivable Allowance For Credit Losses, Percent Of Segment		1.10%
SBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 574
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.05%
IBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 343
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.05%
Advisor Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 609		362	199
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.75%
Real Estate Bridge Lending [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 245
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.19%
Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 208	[1]	$ 199	$ 191	52
Financing Receivable Allowance For Credit Losses, Percent Of Segment	[1]	4.23%
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						318
SBA Loans Purchased For CRA Purposes [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 25,000
Incurred Loss Method [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						10,238
Total allowance for credit losses						$ 10,238
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.56%
Incurred Loss Method [Member] | SBL Non Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 4,985
Financing Receivable Allowance For Credit Losses, Percent Of Segment						5.89%
Incurred Loss Method [Member] | SBL Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 1,472
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.67%
Incurred Loss Method [Member] | SBL Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 432
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.95%
Incurred Loss Method [Member] | Direct Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 2,426
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.56%
Incurred Loss Method [Member] | SBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 440
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.05%
Incurred Loss Method [Member] | IBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 113
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.08%
Incurred Loss Method [Member] | Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	[1]					$ 52
Financing Receivable Allowance For Credit Losses, Percent Of Segment	[1]					0.68%
Incurred Loss Method [Member] | Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 318
Accounting Standards Update 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						12,875
Allowance for credit losses on off-balance sheet credit						569
Total allowance for credit losses						$ 13,444
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.71%
Accounting Standards Update 2016-13 [Member] | SBL Non Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 4,765
Financing Receivable Allowance For Credit Losses, Percent Of Segment						5.63%
Accounting Standards Update 2016-13 [Member] | SBL Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 2,009
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.92%
Accounting Standards Update 2016-13 [Member] | SBL Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 571
Financing Receivable Allowance For Credit Losses, Percent Of Segment						1.26%
Accounting Standards Update 2016-13 [Member] | Direct Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 4,788
Financing Receivable Allowance For Credit Losses, Percent Of Segment						1.10%
Accounting Standards Update 2016-13 [Member] | SBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 440
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.05%
Accounting Standards Update 2016-13 [Member] | IBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses						$ 72
Financing Receivable Allowance For Credit Losses, Percent Of Segment						0.05%
Accounting Standards Update 2016-13 [Member] | Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	[1]					$ 230
Financing Receivable Allowance For Credit Losses, Percent Of Segment	[1]					3.02%

[1] Included in Other loans are $25.0 million of SBA loans purchased for CRA purposes as of September 30, 2021. These loans are classified as SBL in the Company’s loan table which classify loans by type, as opposed to risk characteristics.