COMPENSATION PROGRAMS - Schedule of Restricted Stock Awards (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended			1 Months Ended		9 Months Ended		12 Months Ended						1 Months Ended		9 Months Ended		12 Months Ended						1 Months Ended	9 Months Ended		12 Months Ended						9 Months Ended	12 Months Ended			9 Months Ended	12 Months Ended			9 Months Ended			3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Remaining Shares Vesting In: 2014 [Member]	Sep. 30, 2014 Year 2013 One [Member]	Sep. 30, 2014 Year 2013 Two [Member]	Jan. 31, 2013 Performance-Based Stock Awards [Member] Year 2008 [Member]	Feb. 29, 2012 Performance-Based Stock Awards [Member] Year 2008 [Member]	Sep. 30, 2014 Performance-Based Stock Awards [Member] Year 2008 [Member] December 31 2015 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2008 [Member] Remaining Shares Vesting In: 2014 [Member] December 31 2015 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2008 [Member] Remaining Shares Vesting In: 2015 [Member] December 31 2015 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2008 [Member] Remaining Shares Vesting In: 2016 [Member] December 31 2015 [Member]		Jan. 31, 2014 Performance-Based Stock Awards [Member] Year 2009 [Member]	Jan. 31, 2013 Performance-Based Stock Awards [Member] Year 2009 [Member]	Sep. 30, 2014 Performance-Based Stock Awards [Member] Year 2009 [Member] December 31 2016 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2009 [Member] Remaining Shares Vesting In: 2014 [Member] December 31 2016 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2009 [Member] Remaining Shares Vesting In: 2015 [Member] December 31 2016 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2009 [Member] Remaining Shares Vesting In: 2016 [Member] December 31 2016 [Member]		Jan. 31, 2014 Performance-Based Stock Awards [Member] Year 2010 [Member]	Sep. 30, 2014 Performance-Based Stock Awards [Member] Year 2010 [Member] December 31 2017 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2010 [Member] Remaining Shares Vesting In: 2014 [Member] December 31 2017 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2010 [Member] Remaining Shares Vesting In: 2015 [Member] December 31 2017 [Member]		Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2010 [Member] Remaining Shares Vesting In: 2016 [Member] December 31 2017 [Member]		Sep. 30, 2014 Performance-Based Stock Awards [Member] Year 2011 [Member] December 31 2018 [Member]	Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2011 [Member] Remaining Shares Vesting In: 2014 [Member] December 31 2018 [Member]	Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2011 [Member] Remaining Shares Vesting In: 2015 [Member] December 31 2018 [Member]	Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2011 [Member] Remaining Shares Vesting In: 2016 [Member] December 31 2018 [Member]	Sep. 30, 2014 Performance-Based Stock Awards [Member] Year 2012 [Member] December 31 2019 [Member]	Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2012 [Member] Remaining Shares Vesting In: 2014 [Member] December 31 2019 [Member]	Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2012 [Member] Remaining Shares Vesting In: 2015 [Member] December 31 2019 [Member]	Dec. 31, 2013 Performance-Based Stock Awards [Member] Year 2012 [Member] Remaining Shares Vesting In: 2016 [Member] December 31 2019 [Member]	Sep. 30, 2014 Long-term Equity Based Awards [Member]	Sep. 30, 2014 Long-term Equity Based Awards [Member] Minimum [Member]	Sep. 30, 2014 Long-term Equity Based Awards [Member] Maximum [Member]	Sep. 30, 2014 Stock Awards Activity [Member]	Sep. 30, 2014 Stock Awards Activity [Member]	Sep. 30, 2014 Performance Based Stock Awards Vesting In Three Year [Member]	Sep. 30, 2014 Performance Based Stock Awards Vesting In Three Year [Member]	Sep. 30, 2014 Performance Based Stock Awards Vesting After Three Year [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value per share (in dollars per share)	$ 13.16		$ 13.16				$ 13.02	$ 12.34			$ 10.18	[1]									$ 14.33	[2]								$ 12.44	[3]							$ 12.72				$ 11.67				$ 12.45
Total original grants (in shares)	35,000		35,000				28,000	35,703			140,658	[1]									110,917	[2]								128,766	[3]							132,490				145,399				242,505
Forfeited											5,464	[1]									4,571	[2]								5,759	[3]							5,050				5,697
Remaining shares vesting in period (shares)						22,164							0	[1]	0	[1]	0	[1]					0	[2]	0	[2]	0	[2]				61,499	[3]	0	[3]	0	[3]		63,722	63,718	0		0	69,853	69,849
Equity instruments other than options, nonvested, number of shares [Roll Forward]
Unvested stock awards outstanding at beginning of period (in shares)			528,931
Grants (in shares)	35,000		35,000				28,000	35,703			140,658	[1]									110,917	[2]								128,766	[3]							132,490				145,399				242,505
Vestings (in shares)			(164,587)						(67,595)	(67,599)									(52,915)	(53,431)									(61,508)
Unvested stock awards outstanding at end of period (in shares)	399,344		399,344																																													485,010
Percentage of performance based awards granted, actual (in hundredths)																																																				50.00%	50.00%
Equity instruments other than options, nonvested, weighted average grant date fair value [Abstract]
Unvested stock awards outstanding at beginning of period (in dollars per share)			$ 12.51
Grants (in dollars per share)	$ 13.16		$ 13.16				$ 13.02	$ 12.34			$ 10.18	[1]									$ 14.33	[2]								$ 12.44	[3]							$ 12.72				$ 11.67				$ 12.45
Vestings (in dollars per share)			$ 13.23
Unvested stock awards outstanding at end of period (in dollars per share)	$ 12.28		$ 12.28
Salaries and benefits	$ 999,000	$ 1,017,000	$ 3,116,000	$ 2,904,000																																													$ 372,000	$ 1,100,000	$ 252,000	$ 755,000
Other general and administrative expense																																																	77,000	199,000
Common stock dividend payable	34,040,000		34,040,000		30,872,000																																												1,600,000	1,600,000
Total of Unrecognized compensation expense for unvested stock award																																														3,000,000			1,800,000	1,800,000
Compensation cost not yet recognized, period for recognition																																																		1 year 3 months 18 days
Performance-based awards vested (in shares)			164,587						67,595	67,599									52,915	53,431									61,508
Expected compensation expense related to stock based compensation awards																																															$ 625,000	$ 5,400,000
Expected issuance of common stock for award program (in shares)	399,344		399,344																																													485,010

[1] The absolute return metrics for the three-year measurement periods ending December 31, 2012 and 2011 were met resulting in the vesting of 67,595 shares associated with the second 50% of this grant in January 2013 and 67,599 shares associated with the first 50% of this grant in February 2012.

[2] The absolute return metrics for the three-year measurement periods ending December 31, 2013 and 2012 were met resulting in the vesting of 52,915 shares associated with the second 50% of this grant in January 2014 and 53,431 shares associated with the first 50% of this grant in January 2013.

[3] The absolute return metric for the first three-year measurement period ending December 31, 2013 was met resulting in the vesting of 61,508 shares associated with the first 50% of this grant in January 2014.