SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net interest income (expense)	$ 27,461	$ 24,041
Provision for loan losses	1,533	1,125
Noninterest income	16,330	12,618
Noninterest expense	30,785	27,638
Income (loss) before income taxes (benefit)	11,473	7,896
Income taxes (benefit)	2,983	2,777
Net income	8,490	5,119
Total assets	3,373,577	2,898,080	$ 3,233,723
Banking
Segment Reporting Information [Line Items]
Net interest income (expense)	28,380	25,393
Provision for loan losses	1,533	1,125
Noninterest income	8,938	5,460
Noninterest expense	24,914	21,451
Income (loss) before income taxes (benefit)	10,871	8,277
Income taxes (benefit)	2,342	2,466
Net income	8,529	5,811
Total assets	3,366,098	2,899,657
Commercial FHA Origination and Servicing
Segment Reporting Information [Line Items]
Net interest income (expense)	276	148
Noninterest income	6,876	6,767
Noninterest expense	4,083	4,673
Income (loss) before income taxes (benefit)	3,069	2,242
Income taxes (benefit)	1,197	897
Net income	1,872	1,345
Total assets	105,203	144,251
Other
Segment Reporting Information [Line Items]
Net interest income (expense)	(1,195)	(1,500)
Noninterest income	516	391
Noninterest expense	1,788	1,514
Income (loss) before income taxes (benefit)	(2,467)	(2,623)
Income taxes (benefit)	(556)	(586)
Net income	(1,911)	(2,037)
Total assets	$ (97,724)	$ (145,828)