Stockholders' Equity and Earnings per Common Share (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Available-for-sale securities [Abstract]
Realized gains on sales of securities	$ 0	$ 0
Tax effect	0	0
Available-for-sale Securities	0	0
Unrealized Gains (Losses) on Securities [Abstract]
Balance at beginning of the period	(5,317)	1,992
Net change for the year	1,552	(1,726)
Balance at end of the period	(3,765)	266
Other Comprehensive Income -- AFS to HTM [Abstract]
Other Comprehensive Income -- AFS to HTM balance	(3,937)	0
Other Comprehensive Income -- AFS to HTM change	126	0
Other Comprehensive Income -- AFS to HTM balance	(3,811)	0
Defined Benefit Pension Plans [Abstract]
Balance at beginning of the period	(1,548)	(2,184)
Net change for the year	0	0
Balance at end of the period	(1,548)	(2,184)
Accumulated Other Comprehensive Income (Loss) [Abstract]
Balance at beginning of the period	(10,802)	(192)
Net change for the year	1,678	(1,726)
Balance at end of the period	(9,124)	(1,918)
Other comprehensive income, pretax [Abstract]
Unrealized holding losses arising during the period	2,351	(2,616)
Realized gains on sales of securities	0	0
Net unrealized losses on securities	2,351	(2,616)
Unrealized loss transferred	0	0
Amortization	191	0
Net effect of market adjustment on securities transferred to held-to-maturity	191	0
Total change in accumulated other comprehensive loss	2,542	(2,616)
Other comprehensive income tax expense (benefit) [Abstract]
Unrealized holding losses arising during the period	799	(890)
Less reclassification adjustment for losses recognized in income	0	0
Net unrealized losses on securities	799	(890)
Unrealized loss transferred tax	0	0
Amortization tax	65	0
Net effect of market adjustment on securities transferred to held-to-maturity, tax	65	0
Other Comprehensive Income (Loss), Tax	864	(890)
Other comprehensive income, net-of-tax [Abstract]
Unrealized holding losses arising during the period	1,552	(1,726)
Less reclassification adjustment for losses recognized in income	0	0
Net unrealized losses on securities	1,552	(1,726)
Unrealized loss transferred net	0	0
Amortization net of tax	126	0
Net effect of market adjustment on securities transferred to held-to-maturity, net	126	0
Other Comprehensive Income (Loss), Net of Tax	1,678	(1,726)
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	151
Gain on sale of available-for-sale securities, net [Member]
Available-for-sale securities [Abstract]
Realized gains on sales of securities	0	0
Other comprehensive income, pretax [Abstract]
Realized gains on sales of securities	0	0
Income tax expense [Member]
Available-for-sale securities [Abstract]
Tax effect	0	0
Other comprehensive income tax expense (benefit) [Abstract]
Less reclassification adjustment for losses recognized in income	0	0
Net of tax [Member]
Available-for-sale securities [Abstract]
Available-for-sale Securities	0	0
Other comprehensive income, net-of-tax [Abstract]
Less reclassification adjustment for losses recognized in income	$ 0	$ 0