Loans and Allowance for Credit Losses - Industry Classification System (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Lessors of nonresidential buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	$ 4,628,530
Unfunded Commitments	1,771,281
Total exposure	6,399,811	$ 7,058,045
Lessors of residential buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	1,627,054
Unfunded Commitments	1,455,555
Total exposure	3,082,609	3,725,186
New Housing For-Sale Builders
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	548,260
Unfunded Commitments	943,534
Total exposure	1,491,794	1,763,089
Music Publishers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	673,643
Unfunded Commitments	511,529
Total exposure	$ 1,185,172	$ 1,127,636