SUBORDINATED DEBENTURES (Summary Of Junior Subordinated Debentures Issued To Trusts) (Details) (USD $) In Thousands, unless otherwise specified				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 First Bank Statutory Trust II		Dec. 31, 2012 First Bank Statutory Trust II London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 Royal Oaks Capital Trust I		Dec. 31, 2012 Royal Oaks Capital Trust I London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust III		Dec. 31, 2012 First Bank Statutory Trust III London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust IV		Dec. 31, 2012 First Bank Statutory Trust IV London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust V		Dec. 31, 2012 First Bank Statutory Trust V London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust VI		Dec. 31, 2012 First Bank Statutory Trust VI London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust VII		Dec. 31, 2012 First Bank Statutory Trust VII London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust VIII		Dec. 31, 2012 First Bank Statutory Trust VIII London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust X		Dec. 31, 2012 First Bank Statutory Trust X London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust IX		Dec. 31, 2012 First Bank Statutory Trust IX London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust XI		Dec. 31, 2012 First Bank Statutory Trust XI London Interbank Offered Rate (LIBOR)		Dec. 31, 2012 First Bank Statutory Trust		Dec. 31, 2012 First Preferred Capital Trust IV
Issuance Date				Sep. 01, 2004				Oct. 01, 2004				Nov. 01, 2004				Mar. 01, 2006				Apr. 01, 2006				Jun. 01, 2006				Dec. 01, 2006				Feb. 01, 2007				Aug. 01, 2007				Sep. 01, 2007				Sep. 01, 2007				Mar. 01, 2003		Apr. 01, 2003
Maturity Date				Sep. 20, 2034				Jan. 07, 2035				Dec. 15, 2034				Mar. 15, 2036				Jun. 15, 2036				Jul. 07, 2036				Dec. 15, 2036				Mar. 30, 2037				Sep. 15, 2037				Dec. 15, 2037				Dec. 15, 2037				Mar. 20, 2033		Jun. 30, 2033
Call Date				Sep. 20, 2009	[1]			Jan. 07, 2010	[1]			Dec. 15, 2009	[1]			Mar. 15, 2011	[1]			Jun. 15, 2011	[1]			Jul. 07, 2011	[1]			Dec. 15, 2011	[1]			Mar. 30, 2012	[1]			Sep. 15, 2012	[1]			Dec. 15, 2012	[1]			Dec. 15, 2012	[1]			Mar. 20, 2008	[1]	Jun. 30, 2008	[1]
Interest Rate						2.05%	[2]			2.40%	[2]			2.18%	[2]			1.42%	[2]			1.45%	[2]			1.65%	[2]			1.85%	[2]			1.61%	[2]			2.30%	[2]			2.25%	[2]			2.85%	[2]
Stated interest rate																																																8.10%	[2]	8.15%	[2]
Trust Preferred Securities				$ 20,000				$ 4,000				$ 40,000				$ 40,000				$ 20,000				$ 25,000				$ 50,000				$ 25,000				$ 15,000				$ 25,000				$ 10,000				$ 25,000		$ 46,000
Subordinated Debentures	$ 354,133	$ 354,057	$ 353,981	$ 20,619				$ 4,124				$ 41,238				$ 41,238				$ 20,619				$ 25,774				$ 51,547				$ 25,774				$ 15,464				$ 25,774				$ 10,310				$ 25,774		$ 47,423

[1] The junior subordinated debentures are callable at the option of the Company on the call date shown at 100% of the principal amount plus accrued and unpaid interest.

[2] The interest rates paid on the trust preferred securities are based on either a variable rate or a fixed rate. The variable rate is based on the three-month LIBOR plus the basis point spread shown.