Schedule of recorded amount of assets and liabilities measured at fair value on a recurring basis

The tables below present the recorded amount of assets and liabilities measured at fair value on a recurring basis.


			Quoted Prices
			In Active		Significant
			Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	Fair Value		(Level 1)		(Level 2)		(Level 3)
March 31, 2021:
Assets
Derivative financial instruments	$	416,329	$	—	$	416,329	$	—
Loans held for sale		352,997		—		352,997		—
Trading securities		83,947		—		83,947		—
Securities available for sale:
U.S. Government agencies		23,553		—		23,553		—
Residential mortgage-backed securities issued by U.S. government
agencies or sponsored enterprises		1,544,600		—		1,544,600		—
Residential collateralized mortgage-obligations issued by U.S. government
agencies or sponsored enterprises		694,632		—		694,632		—
Commercial mortgage-backed securities issued by U.S. government
agencies or sponsored enterprises		580,379		—		580,379		—
State and municipal obligations		596,103		—		596,103		—
Small Business Administration loan-backed securities		438,537		—		438,537		—
Corporate securities		13,686		—		13,686		—
Total securities available for sale		3,891,490		—		3,891,490		—
Mortgage servicing rights		54,285		—		—		54,285
	$	4,799,048	$	—	$	4,744,763	$	54,285
Liabilities
Derivative financial instruments	$	402,256	$	—	$	402,256	$	—

December 31, 2020:
Assets
Derivative financial instruments	$	813,899	$	—	$	813,899	$	—
Loans held for sale		290,467		—		290,467		—
Trading securities		10,674		—		10,674		—
Securities available for sale:
U.S. Government agencies		29,256		—		29,256		—
Residential mortgage-backed securities issued by U.S. government
agencies or sponsored enterprises		1,379,978		—		1,379,978		—
Residential collateralized mortgage-obligations issued by U.S. government
agencies or sponsored enterprises		650,646		—		650,646		—
Commercial mortgage-backed securities issued by U.S. government
agencies or sponsored enterprises		334,834		—		334,834		—
State and municipal obligations		520,039		—		520,039		—
Small Business Administration loan-backed securities		402,217		—		402,217		—
Corporate securities		13,702		—		13,702		—
Total securities available for sale		3,330,672		—		3,330,672		—
Mortgage servicing rights		43,820		—		—		43,820
	$	4,489,532	$	—	$	4,445,712	$	43,820
Liabilities
Derivative financial instruments	$	804,832	$	—	$	804,832	$	—

Schedule of amounts of assets and liabilities measured at fair value on a nonrecurring basis

The tables below present the recorded amount of assets and liabilities measured at fair value on a nonrecurring basis:


			Quoted Prices
			In Active		Significant
			Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	Fair Value		(Level 1)		(Level 2)		(Level 3)
March 31, 2021:
OREO	$	11,471	$	—	$	—	$	11,471
Bank property held for sale		31,193		—		—		31,193
Impaired loans		8,764		—		—		8,764
December 31, 2020:
OREO	$	11,914	$	—	$	—	$	11,914
Bank property held for sale		36,006		—		—		36,006
Impaired loans		17,609		—		—		17,609

Schedule of estimated fair value, and related carrying amount, of the Company's financial instruments

The estimated fair value, and related carrying amount, of our financial instruments are as follows:


	Carrying		Fair
(Dollars in thousands)	Amount		Value		Level 1		Level 2		Level 3
March 31, 2021
Financial assets:
Cash and cash equivalents	$	5,974,137	$	5,974,137	$	5,974,137	$	—	$	—
Trading securities		83,947		83,947		—		83,947		—
Investment securities		5,267,271		5,233,723		161,468		5,072,255		—
Loans held for sale		352,997		352,997		—		352,997		—
Loans, net of allowance for loan losses		24,085,005		24,421,405		—		—		24,421,405
Accrued interest receivable		105,865		105,865		—		13,758		92,107
Mortgage servicing rights		54,285		54,285		—		—		54,285
Interest rate swap - non-designated hedge		398,221		398,221		—		398,221		—
Other derivative financial instruments (mortgage banking related)		18,108		18,108		—		18,108		—
Financial liabilities:
Deposits		32,441,410		32,458,336		—		32,458,336		—
Federal funds purchased and securities sold under agreements to repurchase		878,581		878,581		—		878,581		—
Other borrowings		390,323		388,127		—		388,127		—
Accrued interest payable		8,498		8,498		—		8,498		—
Interest rate swap - non-designated hedge		399,625		399,625		—		399,625		—
Other derivative financial instruments (mortgage banking related)		2,631		2,631		—		2,631		—
Off balance sheet financial instruments:
Commitments to extend credit		—		84,280		—		84,280		—
December 31, 2020
Financial assets:
Cash and cash equivalents	$	4,609,255	$	4,609,255	$	4,609,255	$	—	$	—
Trading securities		10,674		10,674		—		10,674		—
Investment securities		4,446,657		4,448,300		160,443		4,287,857		—
Loans held for sale		290,467		290,467		—		290,467		—
Loans, net of allowance for loan losses		24,206,825		24,757,859		—		—		24,757,859
Accrued interest receivable		107,601		107,601		—		12,952		94,649
Mortgage servicing rights		43,820		43,820		—		—		43,820
Interest rate swap - non-designated hedge		802,763		802,763		—		802,763		—
Other derivative financial instruments (mortgage banking related)		11,136		11,136		—		11,136		—
Financial liabilities:
Deposits		30,693,882		30,719,416		—		30,719,416		—
Federal funds purchased and securities sold under agreements to repurchase		779,666		779,666		—		779,666		—
Other borrowings		390,179		386,126		—		386,126		—
Accrued interest payable		7,103		7,103		—		7,103		—
Interest rate swap - non-designated hedge		804,832		804,832		—		804,832		—
Off balance sheet financial instruments:
Commitments to extend credit		—		136,726		—		136,726		—