Subsequent Event (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended	3 Months Ended	15 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2015	Mar. 31, 2015
Allowance for Loan and Lease Loss, Recovery of Bad Debts	$ 229	$ 775	$ 101
Allowance for Loan and Lease Losses, Write-offs	1,049	616	2,127
Subsequent Event [Member] \| Construction Loans [Member]
Allowance for Loan and Lease Loss, Recovery of Bad Debts				1,700	2,400
Allowance for Loan and Lease Losses, Write-offs				$ 4,300

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

Name:	us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration