ALLOWANCE FOR LOAN LOSSES - Changes in the Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Allowance for Loan Losses
Beginning balance	$ 31,784	$ 32,812	$ 31,418	$ 31,707	$ 31,707
Charge-offs	(4,224)	(1,732)	(4,470)	(1,732)
Recoveries	111	172	123	477
Provision (Credit)	3,500	400	4,100	1,200
Ending balance	31,171	31,652	31,171	31,652	31,418
Commercial Real Estate \| Mortgage loans
Allowance for Loan Losses
Beginning balance	11,099	11,334	10,792	11,048	11,048
Charge-offs	(3,670)	0	(3,670)	0
Recoveries	0	0	0	0
Provision (Credit)	3,449	(128)	3,756	158
Ending balance	10,878	11,206	10,878	11,206	10,792
Multi-family
Allowance for Loan Losses
Beginning balance			2,566	4,521	4,521
Charge-offs			0	0
Recoveries			0	0
Provision (Credit)			(21)	(2,055)
Ending balance	2,545	2,466	2,545	2,466	2,566
Multi-family \| Mortgage loans
Allowance for Loan Losses
Beginning balance	2,557	3,002	2,566
Charge-offs	0	0
Recoveries	0	0
Provision (Credit)	(12)	(536)
Ending balance	2,545	2,466	2,545	2,466	2,566
Residential real estate mortgage loans
Allowance for Loan Losses
Beginning balance			3,935	2,438	2,438
Charge-offs			0	(24)
Recoveries			111	1
Provision (Credit)			(1,426)	1,822
Ending balance	2,620	4,237	2,620	4,237	3,935
Residential real estate mortgage loans \| Mortgage loans
Allowance for Loan Losses
Beginning balance	3,374	3,495	3,935
Charge-offs	0	(24)
Recoveries	110	0
Provision (Credit)	(864)	766
Ending balance	2,620	4,237	2,620	4,237	3,935
Commercial, industrial and agricultural loans
Allowance for Loan Losses
Beginning balance	13,073	14,055	12,722	12,838	12,838
Charge-offs	(554)	(1,708)	(796)	(1,708)
Recoveries	1	171	12	475
Provision (Credit)	1,038	(160)	1,620	753
Ending balance	13,558	12,358	13,558	12,358	12,722
Real estate construction and land loans
Allowance for Loan Losses
Beginning balance	1,526	821	1,297	740	740
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision (Credit)	(193)	442	36	523
Ending balance	1,333	1,263	1,333	1,263	1,297
Installment/consumer loans
Allowance for Loan Losses
Beginning balance	155	105	106	122	122
Charge-offs	0	0	(4)	0
Recoveries	0	1	0	1
Provision (Credit)	82	16	135	(1)
Ending balance	$ 237	$ 122	$ 237	$ 122	$ 106

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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