Schedule of amortized cost and fair value of investment securities available for sale


			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(Dollars in thousands)	Cost		Gains		Losses		Value
September 30, 2019:
Government-sponsored entities debt*	$	40,322	$	645	$	—	$	40,967
State and municipal obligations		183,005		5,720		(43)		188,682
Mortgage-backed securities**		1,566,182		19,791		(2,488)		1,583,485
	$	1,789,509	$	26,156	$	(2,531)	$	1,813,134
December 31, 2018:
Government-sponsored entities debt*	$	48,982	$	21	$	(752)	$	48,251
State and municipal obligations		200,184		1,709		(1,125)		200,768
Mortgage-backed securities**		1,291,484		697		(24,133)		1,268,048
	$	1,540,650	$	2,427	$	(26,010)	$	1,517,067
September 30, 2018:
Government-sponsored entities debt*	$	54,397	$	—	$	(1,852)	$	52,545
State and municipal obligations		207,723		1,114		(2,613)		206,224
Mortgage-backed securities**		1,336,778		115		(44,381)		1,292,512
	$	1,598,898	$	1,229	$	(48,846)	$	1,551,281

* - Our government-sponsored entities holdings are comprised of debt securities offered by Federal Home Loan Mortgage Corporation (“FHLMC”) or Freddie Mac, Federal National Mortgage Association (“FNMA”) or Fannie Mae, Federal Home Loan Bank (“FHLB”), and Federal Farm Credit Banks (“FFCB”).

** - All of the mortgage-backed securities are issued by government-sponsored entities; there are no private-label holdings. Also, included in our mortgage-backed securities are debt securities offered by the Small Business Administration (“SBA”), which have the full faith and credit backing of the United States Government.

Schedule of amortized cost and fair value of debt and equity securities by contractual maturity


	Securities				Securities
	Held to Maturity				Available for Sale
	Amortized		Fair		Amortized		Fair
(Dollars in thousands)	Cost		Value		Cost		Value
Due in one year or less	$	—	$	—	$	6,012	$	6,018
Due after one year through five years		—		—		71,916		72,679
Due after five years through ten years		—		—		411,641		418,641
Due after ten years		—		—		1,299,940		1,315,796
	$	—	$	—	$	1,789,509	$	1,813,134