Loans and Asset Quality Information (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended	0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Jul. 02, 2014	Jun. 30, 2014
Total Covered Loans - Carrying Value	$ 119,829,000	$ 190,551,000	$ 127,594,000
Foreclosed real estate - covered	2,055,000	19,504,000	2,350,000
Nonaccrual loans	56,012,000		60,574,000
Accretion of loan discount	1,557,000		16,009,000
Percentage of loan discount accretion	80.00%
Payments that exceeded the initial carrying amount on purchased impaired loans	0	179,000
Contractual balance of nonaccrual loans	14,100,000	49,300,000	16,000,000
Purchased Nonimpaired Loans [Member]
Loan discount on loans	16,365,000
Purchased Nonperfoming Loans [Member]
Loan discount on loans	2,687,000
Covered Loss Sharing Subsequent Change to Noncovered [Member]
Total Covered Loans - Carrying Value					39,700,000
Foreclosed real estate - covered					3,000,000
Nonaccrual loans					9,700,000
Restructured loans - accruing					2,100,000
Transfer of allowance of loan losses from covered to non-covered				1,700,000
Total loans transferred to non-covered status					$ 39,700,000