Loans and Allowance for Credit Losses for Loans (Schedule of Allowance for Loan Losses and Related Loan Balances by Portfolio Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	$ 28,069	$ 19,496
Charge-offs	(5,003)	(48,105)
Recoveries	230	250
Provision (credit)	863	56,409
Provision (credit)	(678)	56,428
Financing Receivable, Allowance for Credit Loss, Ending Balance	$ 21,571	28,069
Accounting Standards Update [Extensible Enumeration]	us-gaap:AccountingStandardsUpdate201613Member
Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	$ 5,062	4,889
Charge-offs	(1)
Provision (credit)	155
Provision (credit)		173
Financing Receivable, Allowance for Credit Loss, Ending Balance	4,471	5,062
Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	3,582	5,371
Charge-offs	(169)	(1,338)
Recoveries	160	131
Provision (credit)	(369)
Provision (credit)		(582)
Financing Receivable, Allowance for Credit Loss, Ending Balance	2,493	3,582
Enterprise Value [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	7,712	6,158
Charge-offs	(4,788)	(351)
Recoveries	55	88
Provision (credit)	5,457
Provision (credit)		1,817
Financing Receivable, Allowance for Credit Loss, Ending Balance	8,166	7,712
Digital Asset [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	10,493	2,012
Charge-offs		(46,350)
Provision (credit)	(4,421)
Provision (credit)		54,831
Financing Receivable, Allowance for Credit Loss, Ending Balance	5,915	10,493
Residential Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	43	38
Recoveries	5
Provision (credit)	9
Provision (credit)		5
Financing Receivable, Allowance for Credit Loss, Ending Balance	75	43
Construction And Land Development [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	909	479
Provision (credit)	11
Provision (credit)		430
Financing Receivable, Allowance for Credit Loss, Ending Balance	407	909
Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	55	168
Charge-offs	(45)	(66)
Recoveries	10	31
Provision (credit)	33
Provision (credit)		(78)
Financing Receivable, Allowance for Credit Loss, Ending Balance	2	55
Mortgage Warehouse [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	213	381
Provision (credit)	(12)
Provision (credit)		(168)
Financing Receivable, Allowance for Credit Loss, Ending Balance	42	213
Previously Reported [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	28,069
Financing Receivable, Allowance for Credit Loss, Ending Balance		28,069
Previously Reported [Member] | Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	5,062
Financing Receivable, Allowance for Credit Loss, Ending Balance		5,062
Previously Reported [Member] | Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	3,582
Financing Receivable, Allowance for Credit Loss, Ending Balance		3,582
Previously Reported [Member] | Enterprise Value [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	7,712
Financing Receivable, Allowance for Credit Loss, Ending Balance		7,712
Previously Reported [Member] | Digital Asset [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	10,493
Financing Receivable, Allowance for Credit Loss, Ending Balance		10,493
Previously Reported [Member] | Residential Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	43
Financing Receivable, Allowance for Credit Loss, Ending Balance		43
Previously Reported [Member] | Construction And Land Development [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	909
Financing Receivable, Allowance for Credit Loss, Ending Balance		909
Previously Reported [Member] | Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	55
Financing Receivable, Allowance for Credit Loss, Ending Balance		55
Previously Reported [Member] | Mortgage Warehouse [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	213
Financing Receivable, Allowance for Credit Loss, Ending Balance		213
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(2,588)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(2,588)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(745)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(745)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(711)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(711)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Enterprise Value [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(270)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(270)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Digital Asset [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(157)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(157)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Residential Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	18
Financing Receivable, Allowance for Credit Loss, Ending Balance		18
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Construction And Land Development [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(513)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(513)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	(51)
Financing Receivable, Allowance for Credit Loss, Ending Balance		(51)
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Mortgage Warehouse [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	$ (159)
Financing Receivable, Allowance for Credit Loss, Ending Balance		$ (159)