Cash Deposits and Other Assets (Tables)

6 Months Ended

Jun. 30, 2020

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Components of cash deposits and other assets

Components of cash deposits and other assets were as follows at the dates indicated (in thousands):

	June 30,		December 31,
	2020		2019
Amounts associated with liability insurance program:
Insurance collateral deposits	$	707	$	1,233
Excess loss fund	521		943
Accumulated interest income	340		609
Other amounts:
State collateral deposits	39		37
Materials and supplies	540		477
Total cash deposits and other assets	$	2,147	$	3,299