Note 6 - Unearned Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule Of Unearned Revenue [Table Text Block]

(in thousands)	March 31, 2022		December 31, 2021		March 31, 2021
California	$	768,013	$	771,759	$	834,815
Central		1,192,812		1,334,901		1,798,761
Mountain		530,712		488,425		537,976
Total	$	2,491,537	$	2,595,085	$	3,171,552