LEASES - Future Minimum Lease Payments Under Noncancelable Leases - For Period Ending March 31, 2020 (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Operating Leases
2020 (excluding the three months ended March 31, 2020)	$ 25,281
2021	32,531	$ 31,105
2022	30,203	28,637
2023	25,774	24,242
2024	21,374	19,844
Thereafter	64,570	57,893
Total minimum lease payments	199,733	194,412
Less: amount representing interest	44,461	42,792
Operating lease liabilities	4,291	5,767
Present value of lease liabilities	150,981	145,853
Less: Sublease Income
2020 (excluding the three months ended March 31, 2020)	1,185
2021	1,614	1,641
2022	1,635	1,662
2023	1,119	1,142
2024	607	607
Thereafter	2,575	2,575
Total minimum lease payments	8,735	9,234
Net Operating Lease
2020 (excluding the three months ended March 31, 2020)	24,096
2021	30,917	29,464
2022	28,568	26,975
2023	24,655	23,100
2024	20,767	19,237
Thereafter	61,995	55,318
Total minimum lease payments	190,998	185,178
Finance Leases
2020 (excluding the three months ended March 31, 2020)	820
2021	1,107	1,108
2022	1,123	1,123
2023	1,140	1,141
2024	1,188	1,188
Thereafter	7,532	7,495
Total minimum lease payments	12,910	13,148
Less: amount representing interest	5,220	5,368
Present value of lease liabilities held for sale	0	0
Present value of lease liabilities	$ 7,690	$ 7,780