Securities

The amortized cost and fair value of investments in debt securities at September 30, 2019 were as follows (dollars in thousands):



	September 30, 2019
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	119,682	$	1,837	$	263	$	121,256
Mortgage-backed and CMOs	133,533		1,875		207		135,201
State and municipal	43,012		871		28		43,855
Corporate	8,015		163		—		8,178
Total securities available for sale	$	304,242	$	4,746	$	498	$	308,490

The Company adopted ASU 2016-01 effective January 1, 2018. The Company recognized in income a $333,000 change in the fair value of equity securities during the nine months of 2019. During the nine months ended September 30, 2019, the Company sold $445,000 in equity securities at fair value and had no remaining equity securities at September 30, 2019. The Company had equity securities with a fair value of $2,087,000 at September 30, 2018 and recognized in income a $312,000 change in the fair value of equity securities during the nine months of 2018. During the 2018 period, the Company sold $431,000 in equity securities at fair value.

The amortized cost and fair value of investments in debt securities at December 31, 2018 were as follows (dollars in thousands):



	December 31, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	137,070	$	442	$	3,473	$	134,039
Mortgage-backed and CMOs	113,883		385		2,401		111,867
State and municipal	80,022		411		531		79,902
Corporate	6,799		68		22		6,845
Total securities available for sale	$	337,774	$	1,306	$	6,427	$	332,653

Restricted Stock

Due to restrictions placed upon the Bank's common stock investment in the Federal Reserve Bank of Richmond ("FRB") and Federal Home Loan Bank of Atlanta ("FHLB"), these securities have been classified as restricted equity securities and carried at cost. The restricted securities are not subject to the investment security classification and are included as a separate line item on the Company's consolidated balance sheets. The FRB requires the Bank to maintain stock with a par value equal to 3.00% of its outstanding capital and an additional 3.00% is on call. The FHLB requires the Bank to maintain stock in an amount equal to 4.25% of outstanding borrowings and a specific percentage of the Bank's total assets. The cost of restricted stock at September 30, 2019 and December 31, 2018 was as follows (dollars in thousands):



	September 30, 2019		December 31, 2018
FRB stock	$	6,406	$	3,621
FHLB stock	2,215		1,626
Total restricted stock	$	8,621	$	5,247

Temporarily Impaired Securities

The following table shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at September 30, 2019. The reference point for determining when securities are in an unrealized loss position is month-end. Therefore, it is possible that a security's market value exceeded its amortized cost on other days during the past twelve-month period.

Available for sale securities that have been in a continuous unrealized loss position, at September 30, 2019, are as follows (dollars in thousands):



	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	59,141	$	263	$	1,889	$	30	$	57,252	$	233
Mortgage-backed and CMOs	32,617		207		7,468		12		25,149		195
State and municipal	4,579		28		3,428		19		1,151		9
Total	$	96,337	$	498	$	12,785	$	61	$	83,552	$	437

Federal agencies and GSEs: The unrealized losses on the Company's investment in 25 government sponsored entities ("GSE") securities were caused by interest rate increases. Twelve of these securities were in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at September 30, 2019.

Mortgage-backed securities: The unrealized losses on the Company's investment in 24 GSE mortgage-backed securities were caused by interest rate increases. Seventeen of these securities were in an unrealized loss position for 12 months or more. The contractual cash flows of those investments are guaranteed by an agency of the U.S. Government. Accordingly, it is expected that the securities would not be settled at a price less than the amortized cost basis of the Company's investments. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at September 30, 2019.

Collateralized Mortgage Obligations: The unrealized losses associated with four private GSE collateralized mortgage obligations ("CMOs") were due to normal market fluctuations. One of these securities was in an unrealized loss position for 12 months or more. The contractual cash flows of that investment is guaranteed by an agency of the U.S. Government. Accordingly, it is expected that the security would not be settled at a price less than the amortized cost basis of the Company's investment. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell the investment and it is not more likely than not that the Company will be required to sell the investment before recovery of its amortized cost basis, which may be maturity, the Company does not consider the investment to be other-than-temporarily impaired at September 30, 2019.

State and municipal securities: The unrealized losses on seven state and municipal securities were caused by interest rate increases. Two of these securities were in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at September 30, 2019.

Corporate securities: There were no corporate bonds in an unrealized loss position at September 30, 2019.

Restricted stock: When evaluating restricted stock for impairment, its value is based on the ultimate recoverability of the par value rather than by recognizing temporary declines in value. The Company does not consider restricted stock to be other-than-temporarily impaired at September 30, 2019, and no impairment has been recognized.

The table below shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities had been in a continuous unrealized loss position, at December 31, 2018 (dollars in thousands):



	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	103,797	$	3,473	$	14,982	$	8	$	88,815	$	3,465
Mortgage-backed and CMOs	86,852		2,401		5,473		15		81,379		2,386
State and municipal	39,755		531		7,199		18		32,556		513
Corporate	484		22		—		—		484		22
Total	$	230,888	$	6,427	$	27,654	$	41	$	203,234	$	6,386

Other-Than-Temporarily-Impaired Securities

As of September 30, 2019 and December 31, 2018, there were no securities classified as other-than-temporarily impaired.

Realized Gains and Losses

The following table presents the gross realized gains and losses on and the proceeds from the sale of securities available for sale during the three and nine months ended September 30, 2019 and 2018 (dollars in thousands):



	Three Months Ended September 30, 2019			Nine Months Ended September 30, 2019
Realized gains (losses):
Gross realized gains	$	—		$	194
Gross realized losses	—			(54		)
Net realized gains	$	—		$	140
Proceeds from sales of securities	$	—		$	29,878

	Three Months Ended September 30, 2018			Nine Months Ended September 30, 2018
Realized gains (losses):
Gross realized gains	$	237		$	342
Gross realized losses	(164		)	(261		)
Net realized gains	$	73		$	81
Proceeds from sales of securities	$	35,541		$	57,607