Supplemental balance sheet information related to leases (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Operating lease right-of-use assets	$ 34,139	$ 31,230	$ 34,717
Current portion of operating lease liabilities	9,128	7,898	9,014
Long-term operating lease liabilities	22,612	19,725	22,709
Total operating lease liabilities	$ 31,740	$ 27,623	$ 31,723