Cash Deposits and Other Assets (Tables)

3 Months Ended

Mar. 31, 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):

	March 31,		December 31,
	2020		2019
Amounts associated with liability insurance program:
Insurance collateral deposits	$	709	$	1,233
Excess loss fund	620		943
Accumulated interest income	332		609
Other amounts:
State collateral deposits	33		37
Materials and supplies	493		477
Total	$	2,187	$	3,299