Fair Value Measurements, Recurring and Nonrecurring (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset transfers from Level 1 to Level 2	$ 0	$ 0	$ 0	$ 0
Asset transfers from Level 2 into Level 3	0	$ 0	0	$ 0
Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Municipal bonds	2,050		2,050		$ 2,083
Agency mortgage-backed securities	5,368		5,368		7,096
Non-agency mortgage-backed securities	483		483		2,345
Mortgage servicing rights	3,271		3,271		3,028
Liabilities carried at fair value	0		0		0
Recurring [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Municipal bonds	0		0		0
Agency mortgage-backed securities	0		0		0
Non-agency mortgage-backed securities	0		0		0
Mortgage servicing rights	0		0		0
Recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Municipal bonds	2,050		2,050		2,083
Agency mortgage-backed securities	5,368		5,368		7,096
Non-agency mortgage-backed securities	0		0		0
Mortgage servicing rights	0		0		0
Recurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Municipal bonds	0		0		0
Agency mortgage-backed securities	0		0		0
Non-agency mortgage-backed securities	483		483		2,345
Mortgage servicing rights	3,271		3,271		3,028
Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO and repossessed assets	382		382		323
Impaired loans	10,160		10,160		9,148
Liabilities carried at fair value	0		0		0
Nonrecurring [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO and repossessed assets	0		0		0
Impaired loans	0		0		0
Nonrecurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO and repossessed assets	0		0		0
Impaired loans	0		0		0
Nonrecurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO and repossessed assets	382		382		323
Impaired loans	$ 10,160		$ 10,160		$ 9,148