Master Netting and Similar Agreements—Repurchase, Reverse Repurchase, and Securities Borrowing Transactions (Tables)

9 Months Ended

Sep. 30, 2020

Offsetting [Abstract]

Securities Purchased Under Agreements To Resell And Collateral Pledged By Counterparties

The following table provides details of securities purchased under agreements to resell and collateral pledged by counterparties as of September 30, 2020 and December 31, 2019:

							Gross amounts not offset in the Balance Sheets
(Dollars in thousands)	Gross amounts of recognized assets		Gross amounts offset in the Balance Sheets		Net amounts of assets presented in the Balance Sheets		Offsetting securities sold under agreements to repurchase		Securities collateral (not recognized on FHN’s Balance Sheets)		Net amount
Securities purchased under agreements to resell:
September 30, 2020	$	591,987	$	—	$	591,987	$	(70)	$	(590,123)	$	1,794
December 31, 2019	586,629		—		586,629		(21,004)		(562,702)		2,923

Securities Sold Under Agreements To Repurchase And Collateral Pledged By Company

The following table provides details of securities sold under agreements to repurchase and collateral pledged by FHN as of September 30, 2020 and December 31, 2019:

							Gross amounts not offset in the Balance Sheets
(Dollars in thousands)	Gross amounts of recognized liabilities		Gross amounts offset in the Balance Sheets		Net amounts of liabilities presented in the Balance Sheets		Offsetting securities purchased under agreements to resell		Securities/ government guaranteed loans collateral		Net amount
Securities sold under agreements to repurchase:
September 30, 2020	$	1,158,994	$	—	$	1,158,994	$	(70)	$	(1,158,791)	$	133
December 31, 2019	716,925		—		716,925		(21,004)		(695,879)		42

Schedule of the Remaining Contractual Maturity by Collateral Type of Securities Sold Under Agreements To Repurchase

The following tables provide details, by collateral type, of the remaining contractual maturity of securities sold under agreements to repurchase as of September 30, 2020 and December 31, 2019:

	September 30, 2020
(Dollars in thousands)	Overnight and Continuous		Up to 30 Days		Total
Securities sold under agreements to repurchase:
U.S. treasuries	$	363,674	$	—	$	363,674
Government agency issued MBS	578,284		6,882		585,166
Government agency issued CMO	4,529		2,412		6,941
Other U.S. government agencies	82,576		—		82,576
Government guaranteed loans (SBA and USDA)	120,637		—		120,637
Total securities sold under agreements to repurchase	$	1,149,700	$	9,294	$	1,158,994
	December 31, 2019
(Dollars in thousands)	Overnight and Continuous		Up to 30 Days		Total
Securities sold under agreements to repurchase:
U.S. treasuries	$	41,364	$	—	$	41,364
Government agency issued MBS	341,173		4,545		345,718
Other U.S. government agencies	54,924		—		54,924
Government guaranteed loans (SBA and USDA)	274,919		—		274,919
Total securities sold under agreements to repurchase	$	712,380	$	4,545	$	716,925