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Loans and Allowance for Loan Losses - Industry Classification System (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	$ 8,172,683
Unfunded Commitments	5,501,273
Total exposure	13,673,956	$ 9,999,665
Lessors of Nonresidential Buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	4,911,231
Unfunded Commitments	2,146,814
Total exposure	7,058,045	5,368,638
Lessors of Residential Buildings and Dwellings [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	1,865,903
Unfunded Commitments	1,859,283
Total exposure	3,725,186	2,566,352
New housing for-sale builders
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	760,771
Unfunded Commitments	1,002,318
Total exposure	1,763,089	1,534,789
Hotels and motels
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	634,778
Unfunded Commitments	492,858
Total exposure	$ 1,127,636	$ 529,886

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