SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Segment	Jun. 30, 2014 USD ($)	Sep. 30, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment			2
Segment data [Abstract]
Interest income	$ 15,254	$ 12,566	$ 45,244	$ 35,790
Interest expense	593	638	1,727	1,831
Net interest income (expense)	14,661	11,928	43,517	33,959
Provision (recovery) for loan losses	700	300	1,341	600
Non-interest income	15,424	12,481	43,068	39,131
Non-interest expense	24,473	18,837	70,305	57,641
Income (loss) before income tax expense (benefit)	4,912	5,272	14,939	14,849
Income tax expense (benefit)	272	1,068	1,523	2,500
Net income	4,640	4,204	13,416	12,349
Total assets	2,309,983	1,923,333	2,309,983	1,923,333	$ 2,054,031
Total deposits	1,513,207	1,346,059	1,513,207	1,346,059	$ 1,366,541
Gross profit data of MPS [Abstract]
Interest income	15,254	12,566	45,244	35,790
Interest expense	593	638	1,727	1,831
Net interest income	14,661	11,928	43,517	33,959
Provision (recovery) for loan losses	700	300	1,341	600
Non-interest income	15,424	12,481	43,068	39,131
Card processing expense	3,868	3,850	12,374	11,668
Other non-interest expense	3,757	2,233	9,905	6,429
Income (loss) before income tax expense (benefit)	4,912	5,272	14,939	14,849
Income tax expense (benefit)	272	1,068	1,523	2,500
Net income	4,640	4,204	13,416	12,349
All Others [Member]
Segment data [Abstract]
Interest income	1,807	0	4,311	0
Interest expense	153	112	408	337
Net interest income (expense)	1,654	(112)	3,903	(337)
Provision (recovery) for loan losses	100	0	341	0
Non-interest income	389	0	1,054	0
Non-interest expense	1,545	81	4,484	716
Income (loss) before income tax expense (benefit)	398	(193)	132	(1,053)
Income tax expense (benefit)	4	(80)	(183)	(389)
Net income	394	(113)	315	(664)
Total assets	90,083	3,250	90,083	3,250
Total deposits	(6,532)	(6,418)	(6,532)	(6,418)
Gross profit data of MPS [Abstract]
Interest income	1,807	0	4,311	0
Interest expense	153	112	408	337
Provision (recovery) for loan losses	100	0	341	0
Non-interest income	389	0	1,054	0
Income (loss) before income tax expense (benefit)	398	(193)	132	(1,053)
Income tax expense (benefit)	4	(80)	(183)	(389)
Net income	394	(113)	315	(664)
Reportable Segments [Member] | Retail Banking [Member]
Segment data [Abstract]
Interest income	7,780	8,223	25,096	23,481
Interest expense	393	499	1,181	1,410
Net interest income (expense)	7,387	7,724	23,915	22,071
Provision (recovery) for loan losses	600	300	1,000	600
Non-interest income	1,227	732	1,546	2,540
Non-interest expense	6,497	4,852	17,657	15,306
Income (loss) before income tax expense (benefit)	1,517	3,304	6,804	8,705
Income tax expense (benefit)	136	653	676	1,489
Net income	1,381	2,651	6,128	7,216
Total assets	766,129	678,116	766,129	678,116
Total deposits	224,982	254,215	224,982	254,215
Gross profit data of MPS [Abstract]
Interest income	7,780	8,223	25,096	23,481
Interest expense	393	499	1,181	1,410
Provision (recovery) for loan losses	600	300	1,000	600
Non-interest income	1,227	732	1,546	2,540
Income (loss) before income tax expense (benefit)	1,517	3,304	6,804	8,705
Income tax expense (benefit)	136	653	676	1,489
Net income	1,381	2,651	6,128	7,216
Reportable Segments [Member] | Meta Payment Systems [Member]
Segment data [Abstract]
Interest income	5,667	4,343	15,837	12,309
Interest expense	47	27	138	84
Net interest income (expense)	5,620	4,316	15,699	12,225
Provision (recovery) for loan losses	0	0	0	0
Non-interest income	13,808	11,749	40,468	36,591
Non-interest expense	16,431	13,904	48,164	41,619
Income (loss) before income tax expense (benefit)	2,997	2,161	8,003	7,197
Income tax expense (benefit)	132	495	1,030	1,400
Net income	2,865	1,666	6,973	5,797
Total assets	1,453,771	1,241,967	1,453,771	1,241,967
Total deposits	1,294,757	1,098,262	1,294,757	1,098,262
Gross profit data of MPS [Abstract]
Interest income	5,667	4,343	15,837	12,309
Interest expense	47	27	138	84
Net interest income	5,620	4,316	15,699	12,225
Provision (recovery) for loan losses	0	0	0	0
Non-interest income	13,808	11,749	40,468	36,591
Card processing expense	3,863	3,843	12,358	11,643
Gross Profit	15,565	12,222	43,809	37,173
Other non-interest expense	12,568	10,061	35,806	29,976
Income (loss) before income tax expense (benefit)	2,997	2,161	8,003	7,197
Income tax expense (benefit)	132	495	1,030	1,400
Net income	2,865	1,666	6,973	5,797
Intersegment Eliminations [Member]
Segment data [Abstract]
Inter-segment revenue (expense)	0	0	0	0
Intersegment Eliminations [Member] | Retail Banking [Member]
Segment data [Abstract]
Inter-segment revenue (expense)	(4,126)	2,976	(12,106)	9,602
Intersegment Eliminations [Member] | Meta Payment Systems [Member]
Segment data [Abstract]
Inter-segment revenue (expense)	4,126	(2,976)	12,106	(9,602)
Intersegment Eliminations [Member] | All Others [Member]
Segment data [Abstract]
Inter-segment revenue (expense)	$ 0	$ 0	$ 0	$ 0