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Leases (Tables)
 6 Months Ended
Jun. 30, 2021
Leases [Abstract]  
Lessee, Operating Lease, Liability, Maturity
Future minimum lease commitments at June 30, 2021 were as follows (in thousands):
Year Ending December 31,Operating LeasesFinance Leases
2021 (excluding the six months ended June 30, 2021)$379 $1,059 
2022603 2,149 
2023373 2,202 
202427 2,258 
2025— 2,314 
After 2025— 8,344 
Total lease payments1,382 18,326 
Less imputed interest(84)(3,336)
   Total1,298 14,990 
Short-term portion656 1,399 
   Total, net of short-term portion$642 $13,591 
Finance Lease, Liability, Fiscal Year Maturity
Future minimum lease commitments at June 30, 2021 were as follows (in thousands):
Year Ending December 31,Operating LeasesFinance Leases
2021 (excluding the six months ended June 30, 2021)$379 $1,059 
2022603 2,149 
2023373 2,202 
202427 2,258 
2025— 2,314 
After 2025— 8,344 
Total lease payments1,382 18,326 
Less imputed interest(84)(3,336)
   Total1,298 14,990 
Short-term portion656 1,399 
   Total, net of short-term portion$642 $13,591 
Lease, Cost
The components of lease expense were as follows (in thousands):
Three Months Ended June 30,
Six Months Ended June 30,
2021202020212020
Operating lease cost$182 $182 $364 $360 
Short-term lease cost(1)
4 30 8 57 
Finance lease cost
Amortization of right-of-use assets305 305 610 610 
Interest on lease liabilities192 208 387 419 
Total finance lease cost497 513 997 1,029 
Total lease costs$683 $725 $1,369 $1,446 
(1) Leases that have terms of 12 months or less
Supplemental cash flow information related to leases was as follows (in thousands):
Six Months Ended June 30,
20212020
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - operating leases$389 $375 
Cash flows from operating activities - finance leases387 418 
Cash flows from financing activities - finance leases650 594 
Operating lease right-of-use assets obtained in exchange for lease obligations322 300