Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Segment		Mar. 31, 2013		Dec. 31, 2013
Segments [Abstract]
Number of reportable segments	2
Selected financial information for reportable segments [Abstract]
Total assets	$ 2,259,639				$ 2,209,943
Interest income	20,283		21,950
Net interest income	18,478		19,556
Provision for loan losses	428		(691)
Income (loss) before income tax	4,605		5,842
Net Income (loss)	3,138		5,807
IB [Member]
Selected financial information for reportable segments [Abstract]
Total assets	2,161,267				2,104,550
Interest income	18,198		18,780
Net interest income	17,083		17,616
Provision for loan losses	443		(687)
Income (loss) before income tax	4,678		6,819
Net Income (loss)	3,182		7,064
Mepco [Member]
Selected financial information for reportable segments [Abstract]
Total assets	87,461				94,648
Interest income	2,085		3,170
Net interest income	1,682		2,521
Provision for loan losses	(15)		(4)
Income (loss) before income tax	356		823
Net Income (loss)	243		543
Other [Member]
Selected financial information for reportable segments [Abstract]
Total assets	277,271	[1]			272,348	[1]
Interest income	0	[1]	0	[1]
Net interest income	(287)	[1]	(581)	[1]
Provision for loan losses	0	[1]	0	[1]
Income (loss) before income tax	(405)	[1]	(1,776)	[1]
Net Income (loss)	(263)	[1]	(1,776)	[1]
Elimination [Member]
Selected financial information for reportable segments [Abstract]
Total assets	(266,360)	[2]			(261,603)	[2]
Interest income	0	[2]	0	[2]
Net interest income	0	[2]	0	[2]
Provision for loan losses	0	[2]	0	[2]
Income (loss) before income tax	(24)	[2]	(24)	[2]
Net Income (loss)	$ (24)	[2]	$ (24)	[2]

[1] Includes amounts relating to our parent company and certain insignificant operations.

[2] Includes parent company's investment in subsidiaries and cash balances maintained at subsidiary.