Loans and Allowance for Credit Losses - Industry Classification System (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Lessors of nonresidential buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	$ 4,436,203
Unfunded Commitments	1,980,583
Total exposure	6,416,786	$ 7,058,045
Lessors of residential buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	1,484,693
Unfunded Commitments	1,591,855
Total exposure	3,076,548	3,725,186
New Housing For-Sale Builders
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	599,664
Unfunded Commitments	922,963
Total exposure	1,522,627	1,763,089
Music Publishers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	615,510
Unfunded Commitments	485,947
Total exposure	$ 1,101,457	$ 1,127,636