Other Assets (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Dec. 31, 2021
Other Assets [Abstract]
Cash surrender value of BOLI		$ 204,938	$ 203,836
LIHTC investments		298,233	297,746
Operating lease ROU assets, net (2)	[1]	130,267	123,225
Interest receivable		120,997	120,329
Taxes receivable		10,591	36,011
Equity investments without readily determinable fair values		63,279	62,975
SBIC Investments		50,558	46,861
Prepaid expenses		26,502	27,632
Equity warrants	[2]	3,771	3,555
Equity investments with readily determinable fair values		8,814	28,578
Other receivables/assets		149,303	133,244
Other assets		1,208,261	1,083,992
Deferred tax assets, net		$ 141,008	0
Vesting period of time-based restricted stock, lower limit		3 years
Other Assets
Other Assets [Abstract]
Deferred Income Tax Liabilities, Net			19,600
Other Assets [Line Items]
Deferred Income Tax Liabilities, Net			$ 19,600

[1] See Note 8. Leases for further details regarding the operating lease ROU assets.

[2] See Note 10. Derivatives for information regarding equity warrants.