BORROWINGS - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Amount
Subordinated debt	$ 313,363	$ 313,248
Unamortized debt issuance costs	(2,288)	(2,384)
Finance Lease, Liability	1,761	1,781
Capital loan with municipality	775	775
Total long-term debt	$ 379,840	$ 409,832
Average Rate
Debt, Weighted Average Interest Rate	4.96%	4.86%
Lessee, Finance Lease, Discount Rate	3.81%	3.81%
Weighted average rate on other long-term debt	0.00%	0.00%
Total long-term debt	4.90%	4.62%
Notes Payable to Bank, Current	$ 0	$ 23,030
Debt Instrument, Interest Rate, Stated Percentage	0.00%	2.77%
Other Notes Payable, Noncurrent	$ 66,229	$ 73,382
Other Notes payable interest rate	4.50%	4.09%
Notes Payable	$ 66,229	$ 96,412
Notes payable interest rate	4.50%	3.77%
Long-term Debt and Lease Obligation	$ 313,611	$ 313,420
Long term debt and Lease Obligation, interest rate at period end	4.98%	4.88%