Investments (Unrealized Gain (Loss) on Investments) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended	12 Months Ended
	Jun. 01, 2014	Sep. 30, 2014	Dec. 31, 2013
Schedule of Investments [Line Items]
Amortized Cost		$ 235,165	$ 368,319
Gross Unrealized Gains		3,198	2,119
Gross Unrealized Losses		15,528	33,849
Investment securities - available-for-sale (at fair value)		222,835	336,589
OTTI in AOCI		7,056	12,703
Held-to-maturity amortized cost	107,600	106,961	3,900
Held-to-maturity Gross Unrealized Gains		269
Held-to-maturity gross unrealized losses	4,000	804
Investment securities - HTM		106,426	3,590
Held-to-maturity OTTI in AOCI		0
U.S. Treasury [Member]
Schedule of Investments [Line Items]
Amortized Cost		29,631
Gross Unrealized Gains		4
Gross Unrealized Losses		17
Investment securities - available-for-sale (at fair value)		29,618
OTTI in AOCI		0
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost		39,088	97,242
Gross Unrealized Gains		82	14
Gross Unrealized Losses		411	5,221
Investment securities - available-for-sale (at fair value)		38,759	92,035
OTTI in AOCI		0	0
Held-to-maturity amortized cost		24,476
Held-to-maturity Gross Unrealized Gains		31
Held-to-maturity gross unrealized losses		109
Investment securities - HTM		24,398
Held-to-maturity OTTI in AOCI		0
Residential Mortgage-backed Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost		46,573	116,933
Gross Unrealized Gains		276	334
Gross Unrealized Losses		726	4,823
Investment securities - available-for-sale (at fair value)		46,123	112,444
OTTI in AOCI		0	0
Held-to-maturity amortized cost		55,572
Held-to-maturity Gross Unrealized Gains		93
Held-to-maturity gross unrealized losses		263
Investment securities - HTM		55,402
Held-to-maturity OTTI in AOCI		0
Commercial Mortgage-backed Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost		26,737	31,025
Gross Unrealized Gains		58	14
Gross Unrealized Losses		250	1,134
Investment securities - available-for-sale (at fair value)		26,545	29,905
OTTI in AOCI		0	0
Held-to-maturity amortized cost		16,476
Held-to-maturity Gross Unrealized Gains		145
Held-to-maturity gross unrealized losses		73
Investment securities - HTM		16,548
Held-to-maturity OTTI in AOCI		0
Collateralized Mortgage Obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost		9,286	30,468
Gross Unrealized Gains		89	84
Gross Unrealized Losses		7	1,162
Investment securities - available-for-sale (at fair value)		9,368	29,390
OTTI in AOCI		0	0
Held-to-maturity amortized cost		7,712
Held-to-maturity Gross Unrealized Gains		0
Held-to-maturity gross unrealized losses		110
Investment securities - HTM		7,602
Held-to-maturity OTTI in AOCI		0
Obligations of States and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost		46,784	55,505
Gross Unrealized Gains		1,466	895
Gross Unrealized Losses		234	1,123
Investment securities - available-for-sale (at fair value)		48,016	55,277
OTTI in AOCI		0	0
Held-to-maturity amortized cost		2,725	3,900
Held-to-maturity Gross Unrealized Gains		0	249
Held-to-maturity gross unrealized losses		249	559
Investment securities - HTM		2,476	3,590
Held-to-maturity OTTI in AOCI		0	0
Collateralized Debt Obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost		37,066	37,146
Gross Unrealized Gains		1,223	778
Gross Unrealized Losses		13,883	20,386
Investment securities - available-for-sale (at fair value)		24,406	17,538
OTTI in AOCI		$ 7,056	$ 12,703