Investments (Tables)

6 Months Ended

Jun. 30, 2021

Below is a summary of the amortized cost and estimated market values of the Company's marketable securities as of June 30, 2021, and December 31, 2020.


	June 30, 2021				December 31, 2020
	Amortized		Market		Amortized		Market
	Cost		Value		Cost		Value

	(Dollars in thousands)
Municipal bonds:
Current	$	1,493	$	1,505	$	2,215	$	2,249
Due from one through five years		6,666		7,003		7,420		7,830
Due from six through ten years		2,635		3,106		3,057		3,608
Due from eleven through twenty years		1,611		1,764		2,323		2,547
Total	$	12,405	$	13,378	$	15,015	$	16,234

Schedule of Unrealized gains and losses

The unrealized gains and losses on marketable securities at June 30, 2021, and at December 31, 2020, were as follows:


	June 30, 2021				December 31, 2020
	Unrealized		Unrealized		Unrealized		Unrealized
	Gains		Losses		Gains		Losses

	(Dollars in thousands)
Municipal bonds	$	973	$	—	$	1,219	$	—