Loans and Allowance for Credit Losses - Industry Classification System (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Lessors of nonresidential buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	$ 4,499,466
Unfunded Commitments	2,062,884
Total exposure	6,562,350	$ 5,368,638
Lessors of residential buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	1,621,735
Unfunded Commitments	1,572,489
Total exposure	3,194,224	2,566,352
New housing for-sale builders
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	677,418
Unfunded Commitments	1,109,695
Total exposure	$ 1,787,113	$ 1,534,789