SALES OF SUBSIDIARY AND BUSINESS UNITS - Statements of Operations of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Noninterest income
Net gain on disposal	$ 13,302	$ 0
Noninterest expense
Restructuring expense	3,218
Income from discontinued operations before income taxes	13,348	3,988
Income tax expense	5,523	1,607
Income from discontinued operations	7,825	2,381
Banc Home Loan | Discontinued Operations, Disposed of by Sale
Interest income
Loans, including fees	3,266	3,178
Total interest income	3,266	3,178
Noninterest income
Net gain on disposal	13,302	0
Loan servicing income (loss)	1,551	(3,083)
Net revenue on mortgage banking activities	29,434	33,684
Loan brokerage income	90	(27)
All other income	424	192
Total noninterest income	44,801	30,766
Noninterest expense
Salaries and employee benefits	24,375	23,714
Occupancy and equipment	2,357	2,799
Professional fees	102	309
Outside Service Fees	2,364	1,438
Data processing	464	508
Advertising	833	841
Restructuring expense	3,218	0
All other expenses	1,006	347
Total noninterest expense	34,719	29,956
Income from discontinued operations before income taxes	13,348	3,988
Income tax expense	5,523	1,607
Income from discontinued operations	$ 7,825	$ 2,381