Leases - Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2020
Operating leases
2023	$ 5,668
2024	5,543
2025	5,601
2026	4,517
2027	2,359
Thereafter	5,796
Total undiscounted lease payments	29,484
Less imputed interest	(4,064)
Total operating lease liabilities	25,420	$ 21,259	$ 22,067
Finance leases
2023	120
2024	120
2025	120
2026	120
2027	60
Thereafter	0
Total undiscounted lease payments	540
Less imputed interest	(26)
Total finance lease liabilities	$ 514	$ 0	$ 0