Other Assets (Tables)

3 Months Ended

Mar. 31, 2021

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

Schedule of Other Assets

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

	March 31,		December 31,
	2021		2020
Amounts associated with liability insurance program:
Insurance collateral deposits	$	714	$	714
Excess loss fund	617		617
Accumulated interest income	459		449
Other amounts:
State collateral deposits	42		31
Materials and supplies	460		488
Other	190		84
Total other assets	$	2,482	$	2,383