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LEASES (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Lease, Cost [Table Text Block] The components of lease expense for the years ended December 31, 2021, 2020 and 2019 were as follows:
(Dollars in thousands)December 31, 2021December 31, 2020December 31, 2019
Operating lease cost$7,425 $7,897 $7,324 
Short-term lease cost108 142 55 
Variable lease cost2,621 2,532 2,553 
Total operating lease cost$10,154 $10,571 $9,932 
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Future minimum commitments due under these lease agreements as of December 31, 2021 are as follows:
(Dollars in thousands)Operating leases
2022$7,784 
20237,683 
20247,288 
20256,673 
20266,269 
Thereafter50,311 
Total lease payments86,008 
Less imputed interest18,456 
Total$67,552 
Schedule of supplemental balance sheet information related to leases. [Table Text Block]
The weighted average lease term and discount rate for the Company's operating leases were as follows:
December 31, 2021December 31, 2020December 31, 2019
Operating leases
Weighted-average remaining lease term13.9 years15.1 years15.6 years
Weighted-average discount rate3.25 %3.07 %3.43 %
Schedule of supplemental cash flow information related to leases [Table Text Block]
Supplemental cash information at year end related to leases was as follows:
(Dollars in thousands)December 31, 2021December 31, 2020December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases$6,860 $8,196 $7,335 
ROU assets obtained in exchange for lease obligations
Operating leases6,076 9,725 64,902