Bank Loans (Schedule of Term Loans Amortized Cost Basis by Origination Year and Revolving Cost Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	$ 19,091,860	$ 19,441,467
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	8,096,975	8,047,647
Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	186,767
Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,181,680
Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,610,751
Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,288,551
Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	901,286
Residential Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	927,940
Residential Real Estate [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,541,770	3,566,987
Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	159,088
Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	610,940
Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	984,158
Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	817,363
Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	87,627
Commercial And Industrial [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	151,586
Commercial And Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	731,008
Fund Banking [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,129,642	3,633,126
Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	10,790
Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	55,338
Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	491
Fund Banking [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Fund Banking [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,063,023
Securities-Based Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,302,250	2,306,455
Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,000
Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	15,085
Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,346
Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,123
Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	47,794
Securities-Based Loans [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	36,572
Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,195,330
Construction And Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,167,300	1,034,370
Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	132,721
Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	557,511
Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	208,426
Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	184,276
Construction And Land [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	84,366
Construction And Land [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	655,355	660,631
Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	32,252
Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	403,232
Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	102,600
Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	30,648
Commercial Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	86,623
Commercial Real Estate [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Home Equity Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	150,452	136,270
Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	150,452
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	48,116	55,981
Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,100
Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	6,050
Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,991
Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	10,000
Other [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	18,053
Other [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	6,922
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	18,563,318	18,943,697
Pass [Member] | Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	8,091,109	8,042,246
Pass [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	186,767
Pass [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,181,680
Pass [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,608,181
Pass [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,288,169
Pass [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	899,772
Pass [Member] | Residential Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	926,540
Pass [Member] | Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,216,078	3,294,891
Pass [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	151,428
Pass [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	604,465
Pass [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	907,874
Pass [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	726,994
Pass [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	86,751
Pass [Member] | Commercial And Industrial [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	148,042
Pass [Member] | Commercial And Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	590,524
Pass [Member] | Fund Banking [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,129,642	3,633,126
Pass [Member] | Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	10,790
Pass [Member] | Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	55,338
Pass [Member] | Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Fund Banking [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	491
Pass [Member] | Fund Banking [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Fund Banking [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,063,023
Pass [Member] | Securities-Based Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,302,250	2,306,452
Pass [Member] | Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,000
Pass [Member] | Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	15,085
Pass [Member] | Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,346
Pass [Member] | Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,123
Pass [Member] | Securities-Based Loans [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	47,794
Pass [Member] | Securities-Based Loans [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	36,572
Pass [Member] | Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,195,330
Pass [Member] | Construction And Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,096,074	963,083
Pass [Member] | Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	132,721
Pass [Member] | Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	557,511
Pass [Member] | Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	208,426
Pass [Member] | Construction And Land [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	184,276
Pass [Member] | Construction And Land [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	13,140
Pass [Member] | Construction And Land [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	529,857	512,171
Pass [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	32,252
Pass [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	315,905
Pass [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	64,429
Pass [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	30,648
Pass [Member] | Commercial Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	86,623
Pass [Member] | Commercial Real Estate [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Home Equity Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	150,251	135,806
Pass [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	150,251
Pass [Member] | Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	48,057	55,922
Pass [Member] | Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,100
Pass [Member] | Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	6,050
Pass [Member] | Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,991
Pass [Member] | Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Pass [Member] | Other [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	10,000
Pass [Member] | Other [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	18,053
Pass [Member] | Other [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	6,863
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	221,751	211,686
Special Mention [Member] | Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,419	1,456
Special Mention [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Special Mention [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,037
Special Mention [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	382
Special Mention [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Special Mention [Member] | Residential Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Special Mention [Member] | Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	166,177	89,302
Special Mention [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	853
Special Mention [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	6,475
Special Mention [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	37,329
Special Mention [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	28,575
Special Mention [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	876
Special Mention [Member] | Commercial And Industrial [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Special Mention [Member] | Commercial And Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	92,069
Special Mention [Member] | Construction And Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	23,219	71,287
Special Mention [Member] | Construction And Land [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	23,219
Special Mention [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	30,827	49,264
Special Mention [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Special Mention [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	30,827
Special Mention [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Special Mention [Member] | Home Equity Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	99	377
Special Mention [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	99
Special Mention [Member] | Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	10
Special Mention [Member] | Other [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	10
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	304,413	284,000
Substandard [Member] | Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	4,447	3,945
Substandard [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Substandard [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,533
Substandard [Member] | Residential Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,514
Substandard [Member] | Residential Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	1,400
Substandard [Member] | Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	157,186	180,772
Substandard [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	6,807
Substandard [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Substandard [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	38,955
Substandard [Member] | Commercial And Industrial [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	61,794
Substandard [Member] | Commercial And Industrial [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	3,544
Substandard [Member] | Commercial And Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	46,086
Substandard [Member] | Construction And Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	48,007
Substandard [Member] | Construction And Land [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	48,007
Substandard [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	94,671	99,196
Substandard [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Substandard [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	56,500
Substandard [Member] | Commercial Real Estate [Member] | Term Loans Amortized Cost Basis By Origination Year Two Thousand Twenty One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	38,171
Substandard [Member] | Home Equity Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	102	87
Substandard [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	102
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,378	2,084
Doubtful [Member] | Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,329	2,022
Doubtful [Member] | Commercial And Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	2,329
Doubtful [Member] | Securities-Based Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0	3
Doubtful [Member] | Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	0
Doubtful [Member] | Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	49	$ 59
Doubtful [Member] | Other [Member] | Revolving Loans Amortized Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans amortized cost basis by origination year	$ 49